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M&M Cookie Bars Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.9 from 66 reviews
  • Author: Jaden
  • Prep Time: 5 minutes
  • Cook Time: 26 minutes
  • Total Time: 31 minutes
  • Yield: 24 cookie bars
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

Deliciously thick and chewy M&M Cookie Bars that combine the rich flavors of brown sugar, melted butter, vanilla, and a generous mix of M&M’s and semi-sweet chocolate chips. Perfect for parties, bake sales, or a sweet treat to share with friends and family.


Ingredients

Scale

Wet Ingredients

  • ½ cup unsalted butter (melted)
  • 2 cups packed brown sugar
  • 2 tablespoons vanilla extract
  • 2 large eggs

Dry Ingredients

  • 2 cups all-purpose flour
  • ½ teaspoon baking soda
  • 1 teaspoon salt

Add-ins

  • 1 cup plain M&M’s
  • 1 cup semi-sweet chocolate chips


Instructions

  1. Preheat the oven: Set your oven to 350ºF (175ºC) and line a 9×13 inch baking dish with parchment paper to prevent sticking and make cleanup easier.
  2. Mix wet ingredients: In a large bowl, combine melted butter, brown sugar, and vanilla extract. Stir well until the mixture is smooth. Add the eggs and continue stirring until the batter becomes thick and has a caramel-like consistency.
  3. Combine dry ingredients: In a separate bowl, whisk together flour, baking soda, and salt to evenly distribute the leavening and seasoning.
  4. Incorporate dry into wet: Gradually add the flour mixture into the wet batter about half a cup at a time, folding the batter over itself gently. Continue this until all the flour is incorporated, resulting in a thick dough with no visible flour streaks.
  5. Add the mix-ins: Fold in the M&M’s and semi-sweet chocolate chips gently, ensuring they are evenly distributed without overmixing the batter.
  6. Prepare for baking: Pour the dense batter into the prepared baking pan, spreading it out evenly. Optionally, top with extra M&M’s and chocolate chips for a decorative touch.
  7. Bake: Place the pan in the preheated oven and bake for 26 minutes, or until the edges are golden and the center is set.
  8. Cool: Remove the pan from the oven and carefully lift the parchment paper to transfer the bars onto a cooling rack. Let them cool completely.
  9. Cut into bars: Use a sharp knife or bench scraper to divide the cooled slab into 24 square bars, ready to serve and enjoy.

Notes

  • These cookie bars are thick, chewy, and bursting with color, making them ideal for sharing at parties or bake sales.
  • For even more chocolate flavor, feel free to add additional chocolate chips on top before baking.
  • Ensure the batter is thick to achieve the perfect chewy texture; do not add extra flour beyond what is specified.
  • Cool the bars completely before cutting to prevent them from crumbling.

Nutrition

  • Serving Size: 1 bar (approx. 1/24th of batch)
  • Calories: 174 kcal
  • Sugar: 19 g
  • Sodium: 126 mg
  • Fat: 7 g
  • Saturated Fat: 4 g
  • Unsaturated Fat: 2 g
  • Trans Fat: 0 g
  • Carbohydrates: 28 g
  • Fiber: 1 g
  • Protein: 2 g
  • Cholesterol: 26 mg