M&M Sprinkle Cookie Bars

Posted on June 26, 2025

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Looking for a super easy and delicious dessert that requires no fancy decorating skills? How about treating yourself to a delightful pick-me-up this Monday morning with some irresistible M&M Sprinkle Cookie Bars? These cookie bars are soft, chewy, and loaded with colorful M&Ms and sprinkles, making them a perfect addition to any party or themed gathering!

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M&M Sprinkle Cookie Bars

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  • Prep Time: 10 minutes
  • Cook Time: 22 minutes
  • Total Time: 32 minutes
  • Yield: 16 1x
  • Category: Dessert

Ingredients

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  • ¾ cup 12 tablespoons melted salted butter
  • 1 cup light brown sugar
  • â…“ cup granulated sugar
  • 1 tbsp vanilla extract
  • 2 eggs at room temperature
  • 2 cups all-purpose flour
  • 1 tbsp cornstarch
  • ½ tsp baking soda
  • ½ tsp salt
  • 1 cup M&Ms
  • ½ cup sprinkles


Instructions

  1. Preheat your oven to 350°F. Grease and line a 9×13 metal pan with parchment paper.
  2. In the bowl of a stand mixer, combine the melted butter, brown sugar, and granulated sugar. Mix until everything is well combined.
  3. Add in the vanilla extract and eggs, and mix until fully incorporated.
  4. With the mixer on low, gradually add in the flour, salt, cornstarch, and baking soda. Mix until just combined.
  5. Gently fold in the M&Ms and sprinkles using a spatula.
  6. Use the spatula to evenly spread the batter into the prepared pan.
  7. Bake for 22-25 minutes or until the edges turn golden brown.
  8. Once done, remove from the oven and allow the bars to cool completely before cutting into delicious squares.

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