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Mars Bar Squares are the ultimate easy dessert! Melted chocolate bars combine with rice cereal (AKA Rice Krispies) to make something wonderful!

Mars Bar Squares

If you're craving something decadent and sweet, these Mars Bars Squares will hit the spot! So easy to make, yet so absolutely dreamy and delicious!
5 from 3 votes
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Course: Dessert
Cuisine: American
Keyword: 4 Ingredient, Chocolate, Dessert, Potluck, Squares
Prep Time: 20 minutes
Cooling: 3 hours
Total Time: 3 hours 20 minutes
Servings: 12
Author: Little Home in the Making

Ingredients

Base

  • 4 Mars Bars
  • ½ cup Salted Butter
  • 3 cups Crispy Rice Cereal like Rice Krispies

Topping

  • 1 cup Semi-Sweet Chocolate Chips
  • ¼ cup Salted Butter

Instructions

Base

  • Grease an 8X8 baking dish and line it with parchment paper.
  • Melt the mars bars and ½ cup of salted butter in a medium saucepan over medium heat, stirring constantly.
  • Once the mars bars and butter is melted, whisk until smooth.
  • Pour the crisp rice cereal into a large bowl and pour the melted mars bar mixture over the cereal.
  • Press the cereal and mars bar mixture into the prepared baking dish.

Topping

  • Melt the chocolate chips with ¼ cup of salted butter in a small saucepan or double boiler. Whisk until smooth.
  • Pour the melted chocolate on top of the cereal layer and cool on the counter for an hour before covering with foil or plastic wrap and cooling for 2-3 additional hours in the fridge.
  • Slice and serve. Keep the bars in the fridge until ready to serve, as the chocolate layer can melt very easily at room temperature.