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Tex-Mex Summer Squash Casserole  Recipe
Tex-Mex Summer Squash Casserole Recipe photo by Taste of Home

Tex-Mex Summer Squash Casserole Recipe

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Mild-flavored yellow squash gets a big boost from flavor-packed chilies, jalapenos and red onion. This side dish also works with zucchini. —Tommy Lombardo, Euclid, Ohio
TOTAL TIME: Prep: 15 min. Bake: 40 min. + standing
MAKES:10 servings
TOTAL TIME: Prep: 15 min. Bake: 40 min. + standing
MAKES: 10 servings


  • 7 medium yellow summer squash, sliced (about 10 cups)
  • 2-1/4 cups (9 ounces) shredded cheddar cheese, divided
  • 1 medium onion, chopped
  • 1 can (4 ounces) chopped green chilies
  • 1 can (4 ounces) diced jalapeno peppers, drained
  • 1/4 cup all-purpose flour
  • 1/2 teaspoon salt
  • 3/4 cup salsa
  • 4 green onions, sliced
  • 1/4 cup chopped red onion

Nutritional Facts

3/4 cup equals 143 calories, 8 g fat (5 g saturated fat), 27 mg cholesterol, 420 mg sodium, 12 g carbohydrate, 2 g fiber, 8 g protein.


  1. Preheat oven to 400°. In a large bowl, combine squash, 3/4 cup cheese, onion, chilies and jalapenos. Sprinkle with flour and salt; toss to combine.
  2. Transfer to a greased 13x9-in. baking dish. Bake, covered, 30-40 minutes or until squash is tender.
  3. Spoon salsa over top; sprinkle with remaining 1-1/2 cups cheese. Bake, uncovered, 10-15 minutes longer or until golden brown. Let stand 10 minutes. Top with green and red onions before serving. Yield: 10 servings.
Originally published as Tex-Mex Summer Squash Casserole in Taste of Home June/July 2014

Nutritional Facts

3/4 cup equals 143 calories, 8 g fat (5 g saturated fat), 27 mg cholesterol, 420 mg sodium, 12 g carbohydrate, 2 g fiber, 8 g protein.

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Reviewed Jul. 15, 2014

Tried this recipe. Did not put all the peppers or hot spices because my husband has to stay away from spicy food. Just used the squash, flour, salsa, and I used mozzarella and cheddar shredded cheese. Was delicious and a quick fix meal.

Reviewed Jul. 13, 2014

I read some reviews indicating that it's "watery". This is what I did to eliminate that problem. I made only a half-recipe, but used the full amount of flour instead of reducing it by half. The consistency was excellent! My family really liked this. A change I'll try next time is to reduce the amount of jalapeños.

Reviewed Jul. 4, 2014

I used zucchini because that is what I had. I seeded the squash as I usually do and that cut down on the "watery" aspect. Delicious and easy to make! Good idea about turning it into soup...that's something I would do!

Reviewed Jun. 30, 2014

This recipe does a good job of balancing the freshness of the summer squash with the brightness of the spices of the chiles and pepper. I agree with other reviewers that the casserole remained slightly watery; however, the end result is a really flavorful dish.

Reviewed Jun. 25, 2014

The only reason I'm giving this recipe 4 stars as oppose to 5 is because it didn't reheat well. I loved this side dish when I made it, but when I packed the leftovers for lunch the next day, it took on some interesting flavors. Definitely a nice change up for summer squash though! Never thought I would want spicy squash, but it was surprisingly good!

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