Save on Pinterest

Fun Marshmallow Bars

Total Time

Prep: 10 min. Bake: 25 min. + cooling


3-1/2 dozen

"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.
Every editorial product is independently selected, though we may be compensated or receive an affiliate commission if you buy something through our links. Ratings and prices are accurate and items are in stock as of time of publication.


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


  1. In a large bowl, combine cake mix, water, butter and egg. Press into a greased 13x9-in. baking pan. Bake at 375° until a toothpick inserted in the center comes out clean, 20-22 minutes.
  2. Sprinkle with marshmallows, M&M's and peanuts. Bake until marshmallows begin to melt, 2-3 minutes longer. Cool on a wire rack. Cut into bars.

Nutrition Facts

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

Recommended Video