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Summer Squash Mushroom Casserole Recipe

Summer Squash Mushroom Casserole Recipe

This rich, creamy side with its crunchy topping would make a wonderful dish to take to summer potlucks and picnics, or to pair up with a wide variety of entrees. You'll love the buttery flavor of these "comfort veggies!" —Jennifer Wallace, Canal Winchester, Ohio
TOTAL TIME: Prep: 20 min. Bake: 25 min. YIELD:10 servings

Ingredients

  • 2 medium yellow summer squash, diced
  • 1 large zucchini, diced
  • 1/2 pound sliced fresh mushrooms
  • 1 cup chopped onion
  • 2 tablespoons olive oil
  • 2 cups shredded cheddar cheese
  • 1 can (10-3/4 ounces) condensed cream of mushroom soup, undiluted
  • 1/2 cup sour cream
  • 1/2 teaspoon salt
  • 1 cup crushed butter-flavored crackers (about 25 crackers)
  • 1 tablespoon butter, melted

Directions

  • 1. In a large skillet, saute the summer squash, zucchini, mushrooms and onion in oil until tender; drain.
  • 2. In a large bowl, combine the vegetable mixture, cheese, soup, sour cream and salt. Transfer to a greased 11x7-in. baking dish. Combine cracker crumbs and butter. Sprinkle over vegetable mixture.
  • 3. Bake, uncovered, at 350° for 25-30 minutes or until bubbly. Yield: 10 servings.

Nutritional Facts

2/3 cup: 234 calories, 16g fat (8g saturated fat), 36mg cholesterol, 564mg sodium, 14g carbohydrate (4g sugars, 2g fiber), 8g protein.

Reviews for Summer Squash Mushroom Casserole

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MY REVIEW
annlindblad User ID: 7743001 250280
Reviewed Jul. 10, 2016

"Wonderful - the mushrooms add a nice touch."

MY REVIEW
DRSchmitgall User ID: 2724529 234221
Reviewed Oct. 8, 2015

"Turned out excellent and was a hit with the adults. The kiddos didn't like it (I presume the squash texture was the killer). Still giving a 5 star rating for it WAS THAT GOOD!"

MY REVIEW
alfoa User ID: 2078080 233461
Reviewed Sep. 26, 2015

"I've been making this recipe WAY before it was printed in taste of home; not sure where I got the original recipe from. A great side dish, sometimes it's a little on the runny side. But good."

MY REVIEW
catnapper7 User ID: 4135210 219964
Reviewed Feb. 7, 2015

"I've made this recipe many times and it's one of my favorites. I passed it along to my daughter and she is also a big fan of it. The only change I make is substituting fat free ingredients where possible. I don't think it effects the taste negatively in anyway. I especially enjoy this casserole as a cold leftover."

MY REVIEW
Joscy User ID: 2694585 210781
Reviewed Jun. 13, 2014

"For as good as this looks and sounds, particularly notice carb.count appears to be ***diabetic friendly***. Very6 much enjoy reading others' ideas on this recipe. Particularly like idea of adding sweet red pepper!"

MY REVIEW
Schunka21 User ID: 4336465 210780
Reviewed Sep. 3, 2013

"I omitted the mushrooms and added green pepper instead. Will make it again. it was wonderful."

MY REVIEW
zucchini lady User ID: 2608427 168552
Reviewed Aug. 24, 2013

"was looking for a recipe to use up some zucchini and found this..it was a great hit/had it with pork chops on the grill- will be keeping this in my 'FAVORITE file.."

MY REVIEW
zucchini lady User ID: 2608427 105247
Reviewed Aug. 19, 2013

"this is a keeper!! we are zucchini lovers and my family cleaned it up! did add red diced pepper and had some pepproni I dicded up..so many ways you can change this recipe and it is still so good.."

MY REVIEW
cLeighw User ID: 2420825 163963
Reviewed Mar. 24, 2013

"Served this to guests and they asked for the recipe. Everyone loves this!"

MY REVIEW
jackiep1 User ID: 4586617 163960
Reviewed Jan. 27, 2013

"I love this recipe. Easy to make and very good"

MY REVIEW
pwdigwald User ID: 1505192 180750
Reviewed Aug. 5, 2012

"This was super easy and absolutely delicious! I divided it into 2 casseroles & stuck one in the freezer for later. I left the cracker crumbs off until I'm ready to pop it into the over. This one was a definite winner!"

MY REVIEW
GwenandDirk User ID: 6137089 114320
Reviewed Jul. 23, 2012

"I LOVE this recipe. I have made it multiple times. I also had a cup of grated carrots as it adds great color and for topping I always use a half box chicken flavoured stovetop stuffing mixed with the melted butter. So excellent."

MY REVIEW
luciacucina User ID: 3559961 165876
Reviewed Oct. 23, 2011

"Thought it was very good. Used homemade bread crumbs with the melted butter for the topping instead of the cracker. Next time will add water chestnuts for an added crunch."

MY REVIEW
norrineg User ID: 4963991 168551
Reviewed Oct. 1, 2011

"So good."

MY REVIEW
Teresa2700 User ID: 6153120 184946
Reviewed Sep. 14, 2011

"Loved this! Out of all the casseroles made this summer this was my favorite. It's even better the next day."

MY REVIEW
Arthur User ID: 92165 124113
Reviewed Sep. 13, 2011

"This is one of my favorites. My recipe calls for 2 lbs of squash. I usually use stuffing mix. Chopped red pepper really dresses it up. The last time I didn't have red pepper so I halved cherry tomatoes and along with green pepper. I will try the corn flakes next time.

Margo"

MY REVIEW
Nesber User ID: 6150915 114318
Reviewed Sep. 12, 2011

"I substituted chayote for the yellow squash and my family loved it! I will try adding some chicken next time."

MY REVIEW
williamsegraves User ID: 3296408 210779
Reviewed Sep. 12, 2011

"This was tasty but it seemed like something was missing."

MY REVIEW
sblum1916 User ID: 4648654 183132
Reviewed Sep. 11, 2011

"I loved this recipe. It turned out fabulous. I used a sharp cheddar but I am going to try it with Kraft Triple cheddar tonight. My daughter and grandson loved it too."

MY REVIEW
NapervilleMom User ID: 6196409 163883
Reviewed Sep. 10, 2011

"Teenagers love this! A good way to use the summer squash grown in the garden. I used a blend of whatever cheeses I had in the refrigerator."

MY REVIEW
Clemh User ID: 5721012 124111
Reviewed Sep. 7, 2011

"Excellent! Remember since you are cooking the squash it will be soft but absolutely fabulous! My husband does not like casseroles but loved this! I added garlic to the recipe. Will make and share this one!"

MY REVIEW
bernerlover User ID: 2342652 114316
Reviewed Sep. 5, 2011

"I thought this was great. I made it just the way the recipe called but I added diced cooked chicken and made it a meal."

MY REVIEW
carmerkle User ID: 5738640 113878
Reviewed Sep. 2, 2011

"I made a few changes just to add another layer of flavor. I dropped the sour cream and cream of mushroom soup. Instead I made a corn puree from 4 ears of fresh corn (corn and skimmed milk blended in food processer with 1/4 cup of flour and a hint of chipotle chilli pepper, cook just until the flour cooked and thickened). Mixed everything as called for in recipe and top with cracker crumbs. This was awesome."

MY REVIEW
Bonnnie User ID: 2215305 183131
Reviewed Sep. 1, 2011

"We all enjoyed this recipe. It was very easy and quick to make."

MY REVIEW
wandnapper User ID: 5722330 114312
Reviewed Sep. 1, 2011

"I was very eager to try this recipe because I love squash, but I thought this came out very bland. If I make if again, I'll add some broccoli and some spices to perk it up. I didn't think it was worth all the prep work involved."

MY REVIEW
sparkpuppypup User ID: 5594723 181588
Reviewed Aug. 31, 2011

"This is a delicious recipe! Both of my kids actually liked it, which is sometimes not the case with veggies. I did want to offer a tip...I've used fat free Greek yogurt in place of sour cream in a lot of different things and it tastes wonderful. Fat free sour cream, on the other hand, tastes gross to me. Also....in my opinion, a good cook doesn't really rely on measurements very much. Be like Julia Child, "A pinch of this, and a dash of that!""

MY REVIEW
djakes User ID: 6180790 105246
Reviewed Aug. 31, 2011

"Made this on Monday - skipped the mushrooms (allergic). Thought it was wonderful, but would probably go with 1/2 the cheese next time. And by the way, I agree with uwasv_waya - I too was confused about medium and large - I would have rather seen 2 cups or 1/2 cup or whatever."

MY REVIEW
prema307 User ID: 5785626 168550
Reviewed Aug. 31, 2011

"uwasv_waya. There are several recipes that state "2 small squash, or 3 medium green peppers ", etc. I have not seen this defined in a recipe, and I have just finished looking. It may be there, but I have not seen it. Just as there are so many adjustments and substitutions in recipes all the time, this seemed to be something that could easily be estimated as I assume the others have done when making this dish. A "dab, a pinch, a shake or two" as you said is used in your recipes does have a meaning to me, perhaps from my grandmothers' way of cooking. Enough said, this appears to be 2 modes of thinking, and perhaps your more exact way of measuring ensures more successes."

MY REVIEW
lpoolenc User ID: 2574111 183089
Reviewed Aug. 31, 2011

"Wonderful. I did add slivered almonds and drained kidney beans. I only used half the cheese and instead of the cracker crumbs, I used lemon pepper panko that I sprayed with I Can't Believe It's Not Butter."

MY REVIEW
jody7272 User ID: 5184774 113877
Reviewed Aug. 31, 2011

"had this for dinner last night with bbq chicken. I used all zucchini though because I didn't have any yellow squash left....everyone loved it!!!! will definitely keep this one in my favorite file!"

MY REVIEW
lrudolf User ID: 1219621 165870
Reviewed Aug. 30, 2011

"used light sour cream and 50% reduced fat cheese to reduce the fat content, added cubed ham to make it a one dish meal"

MY REVIEW
Donalee2 User ID: 1654265 184936
Reviewed Aug. 30, 2011

"I MADE THIS AND WE LOVED IT. MY HUSBAND HAS TO WATCH HIS SALT INTAKE SO I MADE A soup MIX AND USED THAT ISTEAD OF THE soup. SINCE THERE WAS MUSHROOMS IN IT THAT WORKED REALLY WELL. GREAT TASTY WAY TO USE ALL THAT SUMMER SQUASH. I HAVE MADE AT LEAST A DOZEN RECIPES THIS SUMMER USING MY SUMMER SQUASH AND HAVE LIKED THEM ALL."

MY REVIEW
mjounan User ID: 5799644 210778
Reviewed Aug. 30, 2011

"I did a tippy tap toe dance when I saw this recipe. We were looking for such a recipe to make this weekend. Yummy. Thinking I could use crushed Pringles on top instead of crackers. Once in a while, we need to indulge!"

MY REVIEW
toothfairylin User ID: 1460753 184935
Reviewed Aug. 30, 2011

"Delicious just as posted. Thank you, Jennifer, for taking the time to post one of your favorite recipes. "

MY REVIEW
annsway1 User ID: 1667005 124110
Reviewed Aug. 30, 2011

"For trishar2008; use yogurt or just plain milk. This recipe is wonderful and I'm adding it to my rotation. Very versitile too."

MY REVIEW
Carmen Janicki User ID: 665334 165867
Reviewed Aug. 30, 2011

"I haven't made this yet, but with all the good reviews I certainly will. I have to cut out salt so I'm sure I will be able to make it."

MY REVIEW
trishr2008 User ID: 3705666 114311
Reviewed Aug. 30, 2011

"We don't eat sour cream-yuch!!! What do we use instead-or can we just do without anything ?"

MY REVIEW
prema307 User ID: 5785626 113876
Reviewed Aug. 30, 2011

"I will be making this recipe after my next trip to the grocery store. It sounds delicious. I always read the reviews to see other people's opinions of the daily email recipes."

MY REVIEW
Brenda D User ID: 1438504 144111
Reviewed Aug. 30, 2011

"My mother-in-law had printed this recipe off for me earlier this summer and we have really enjoyed it. I make it about once a week and we use up garden produce. I do substitute diced carrots for the mushrooms and use whatever flavor of condenced soup I have. One day I didn't have a can of soup, so I used a "glob" of Miricle Whip instead. Yum! I've also added browned sausage or bacon to it. That was a great change to make a all in one dish. I also usually cut the cheese down to 1 cup or so. We've crumbled corn flakes, crackers and bread crumbs on top for some different changes...oh and lots of times I forget to drizzle the top with butter and it comes out just fine. Lots of options here ladies & gentlemen...have fun experimenting!"

MY REVIEW
joodiUK User ID: 6042332 98752
Reviewed Aug. 30, 2011

"am in UK and made this to have lunch with a vegetarian friend and she loved it as did I. I used cheese baked crackers instead. Delicious."

MY REVIEW
PamelaSM User ID: 5692326 180192
Reviewed Aug. 30, 2011

"I love squash casserole. I substituted cream of celery for the cream of mushroom and omitted the mushrooms. I also added shredded carrots that I cooked with the zuchini and squash and onions. I used 1 cup of shredded parmesan and 1 cup of sharp cheddar. I also topped it with panko bread crumbs instead of crackers. Huge hit. I will make this regularly. Thanks!"

MY REVIEW
myrtrose User ID: 3073135 105243
Reviewed Aug. 29, 2011

"This was just ok, nothing outstanding.

I could hardly tell there was squash in there at all. It could have been any vegetable, really. The soup and cheese masked the squash flavor. Salty and greasy."

MY REVIEW
Berthelote User ID: 175971 210777
Reviewed Aug. 28, 2011

"This is a wonderful recipe that can be modified in many ways according to ones diet needs. Many have already pointed their needs out. I have grandkids with celiac which is gluten intolerant. So instead of butter flavored crackers, I crush corn flakes. Yummy!"

MY REVIEW
euin User ID: 1415952 144104
Reviewed Aug. 27, 2011

"i will make this this a lot."

MY REVIEW
sunshine1202@msn.com User ID: 1394918 181585
Reviewed Aug. 27, 2011

"i think it was delicious. i made it without the mushrooms. Some one mentioned french fried onion rings by durkee, that would be wonderful mixed right in.....mmm"

MY REVIEW
bobbiehud User ID: 3486259 124108
Reviewed Aug. 27, 2011

"I agree with Lisa & Barb. There are so many things you can substitute - saute with spray olive oil, low-fat or fat free sour cream, low fat soup, low fat cheese and there are loads of tasty crackers out there that are low in fat that can be used. Squash casseroles are so good and so versatile. Try using the low-fat or fat free versions of things and you will find they they taste very good. Cooked in casseroles you can hardly tell the difference."

MY REVIEW
Savvy in the Rockies User ID: 5927577 114308
Reviewed Aug. 27, 2011

"lightened this dish by using lite sour cream, low fat cheddar, and low salt soup! esp liked the addition of mushrooms!"

MY REVIEW
lisa8251 User ID: 5618573 98751
Reviewed Aug. 27, 2011

"This recipe looks yummy and I will likely make it for a gathering on Laobr Day. "

MY REVIEW
NaplesNancy User ID: 6079732 183088
Reviewed Aug. 26, 2011

"I don't like mushrooms, so I left them out."

MY REVIEW
barb347444 User ID: 5632510 124107
Reviewed Aug. 26, 2011

"This is my "gotta have it" squash recipe for Thanksgiving. It is fabulous."

MY REVIEW
kma_747 User ID: 2969828 181583
Reviewed Aug. 17, 2011

"Can anyone tell me how many cups of squash this is?"

MY REVIEW
klumsee1 User ID: 982010 144103
Reviewed Aug. 13, 2011

"This was very good. I love mushrooms but my husband can't stand them so I made this with cream of celery soup and omitted the mushrooms. The tastes reminds me of a hashbrown casserole (just with squash!)"

MY REVIEW
gran E User ID: 5901209 114307
Reviewed Aug. 5, 2011

"Haven't made this one yet, but I use pepperidge farm stuffing mix and cream of chicken soup. You can't go wrong with squash casserole. They are all delicious."

MY REVIEW
Lisa Friesen User ID: 1759221 181582
Reviewed Jul. 22, 2011

"I really liked it. If I had a suggestion I would add some chicken to it and make it a main dish."

MY REVIEW
s_pants User ID: 174050 183085
Reviewed Jul. 22, 2011

"My sister said to make it everyday!"

MY REVIEW
sissy12804 User ID: 964945 168542
Reviewed Sep. 3, 2010

"This recipe is also great when you use french fried onions instead of the crushed crackers! Yummy!"

MY REVIEW
LadyMacKeltar User ID: 5289163 113873
Reviewed Aug. 26, 2010

"Delicious! I made this recipe today for lunch. My husband and I really enjoyed it. Definitely will make again."

MY REVIEW
dlbelletete User ID: 3078198 184882
Reviewed Jul. 20, 2010

"Everybody loved this! I will definately be making this again."

MY REVIEW
CWOCN User ID: 4346648 168538
Reviewed Jul. 1, 2010

"Wonderful even with lite sour cream, low fat soup and a less generous amount of wheat crackers - also substituted fresh garden egg- plant for mushrooms and added a little garlic"

MY REVIEW
gayewsga User ID: 3269714 113872
Reviewed May. 23, 2010

"This was a big hit at a big family dinner, even with those who didn't like squash. I did substitute mushroom soup with cream of onion and left out the mushrooms as no one in our family likes them but it was just delicious! Several took the recipe home to make the next day. Thanks!"

MY REVIEW
doedeer User ID: 4917939 181576
Reviewed May. 18, 2010

"I have 1 word for this dish. FANTASTIC!!"

MY REVIEW
TwilaGilpin User ID: 5005469 144058
Reviewed May. 17, 2010

"I used reduced fat sour crean,colbyjack cheese.healthy choice of cream of mushroom soup, the second time yum. Twila Stephenville, Tx"

MY REVIEW
racing07 User ID: 3647342 113870
Reviewed May. 17, 2010

"Sounds like a great recipe but would use 2%Cheese, healthy cream of mushroom soup and low fat sour cream and it will be lower calorie and still delicious. Will try it tonight."

MY REVIEW
zucchinilady User ID: 3149814 180187
Reviewed Jul. 26, 2009

"I added diced carrots to my dish, very tasty and will definately be made many times this summer!!"

MY REVIEW
brooksjones7 User ID: 3308734 165866
Reviewed Jul. 19, 2009

"Creamy and delicious. Tastes so good, my kids had no idea it was actually full of healthy veggies."

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