Fun Marshmallow Bars Recipe
Fun Marshmallow Bars Recipe photo by Taste of Home
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Fun Marshmallow Bars Recipe

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"These colorful kid-tested treats for fast at bake sales," promises Debbie Brunssen, a mother of six from Randolph, Nebraska. "A cake mix really cuts your prep time," she adds.
TOTAL TIME: Prep: 10 min. Bake: 25 min. + cooling
MAKES:42 servings
TOTAL TIME: Prep: 10 min. Bake: 25 min. + cooling
MAKES: 42 servings


  • 1 package devil's food cake mix (regular size)
  • 1/4 cup water
  • 1/4 cup butter, melted
  • 1 egg
  • 3 cups miniature marshmallows
  • 1 cup milk chocolate M&M's
  • 1/2 cup chopped peanuts

Nutritional Facts

1 each: 108 calories, 4g fat (2g saturated fat), 9mg cholesterol, 112mg sodium, 16g carbohydrate (10g sugars, 0 fiber), 1g protein.


  1. In a large bowl, combine the cake mix, water, butter and egg. Press into a greased 13x9-in. baking pan. Bake at 375° for 20-22 minutes or until a toothpick inserted near the center comes out clean.
  2. Sprinkle with marshmallows, M&M's and peanuts. Bake 2-3 minutes longer or until the marshmallows begin to melt. Cool on a wire rack. Cut into bars. Yield: 3-1/2 dozen.
Originally published as Fun Marshmallow Bars in Quick Cooking May/June 1999, p39

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Robyn4956 User ID: 5505773 29384
Reviewed Oct. 10, 2012

"Horrible cookie bar recipe! Had to substitute in a cake mix cookie recipe b/c the bar mixture was a dry, nasty mess that wouldn't spread!"

sherrie709 User ID: 4270178 29380
Reviewed Jun. 1, 2012

"Followed directions as written. You have to let the bars cool for several hours so the marshmallows set up. If you do that they won't stick to your knife or pull away from the cookie."

RRLemon User ID: 3309622 24354
Reviewed Nov. 6, 2010

"Followed recipe exactly and got really dry bars. Tried to cut but the marshmallow stuck and would come off the top of the bars. Bummer!"

rtrock02 User ID: 1000919 24353
Reviewed Aug. 29, 2010

"I followed the direction and was not happy with the results. I tried it again the next day...I followed the recipe from the box and the last minute or so...added the marshmallows(not too much) and m&m candies. It was delicious and tasty. I would definitely do it again--the way I did...follow the directions from the box..."

mrsmatt84 User ID: 4774279 29368
Reviewed May. 22, 2010

"I just made the cake mix as directed, baked for about 25 minutes (toothpick clean) then followed the topping instructions and few more minutes baking. Tasted great & not too sweet. My only complaint is that they are difficult to cut because the marshmallow sticks & the topping will separate from the cake. They taste awesome & look awesome when the topping stays put (or you lay it back on top). Fun!"

dlm3 User ID: 4987777 72098
Reviewed Mar. 23, 2010

"I followed the recipe exactly and used a super moist cake mix to avoid the dryness issue. The bars came out great and tasted delicious. I had no problem with the 'crust' falling apart. I think they will be a hit at my daughter's bake sale!"

jamerbuddy User ID: 833809 68209
Reviewed Jan. 5, 2010

"Our bars turned out great and the kids loved them at our Christmas party. They were a little sweet for me but I loved how festive they looked."

_koss User ID: 662911 20369
Reviewed Dec. 23, 2007

"The Fun Marshmallow Bars were extremely dry. The crust literally fell apart from lack of moisture. I followed the recipe exactly. If I were to ever make them again, I would have to alter it to include more moisture in the crust so that it stays together. They did taste good though."

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