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Christmas Mm Cookie Bars

Christmas Mm Cookie Bars

These Christmas Mm Cookie Bars are a festive twist on classic cookie bars, loaded with colorful M&M's and chocolate chips—perfect for holiday parties or sweet gift boxes!
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Prep Time 20 minutes
Cook Time 15 minutes
Total Time 35 minutes
Course Dessert
Cuisine American
Servings 16 bars
Calories 270 kcal

Ingredients
  

  • 1 cup unsalted butter melted and cooled slightly
  • 3/4 cup granulated sugar
  • 3/4 cup light brown sugar packed
  • 2 large eggs room temperature
  • 2 teaspoons vanilla extract pure
  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon sea salt fine
  • 1 cup red-and-green M&M's plus extra for topping
  • 1/2 cup semisweet chocolate chips
  • 1/2 cup white chocolate chips optional

Instructions
 

  • Preheat oven to 350°F (175°C). Line a 9×13-inch pan with parchment paper, leaving an overhang for easy lifting.
  • In a large bowl, whisk melted butter with granulated and brown sugars until smooth and glossy.
  • Whisk in eggs one at a time, then stir in vanilla extract until the batter is smooth.
  • In a separate bowl, whisk flour, baking soda, and salt; then gradually fold into the wet mixture.
  • Gently stir in M&M’s and chocolate chips until evenly distributed.
  • Transfer dough to the prepared pan and press evenly. Top with extra M&M’s for a festive look.
  • Bake for 12–15 minutes, or until edges are golden and center is just set.
  • Let bars cool completely in the pan on a wire rack, then lift out using parchment and slice into bars.

Notes

Press extra M&M’s on top before baking for a colorful finish; Store in an airtight container for up to 5 days at room temperature or freeze up to 2 months.

Nutrition

Calories: 270kcal
Keyword Christmas Mm Cookie Bars, Cookie Bars, easy dessert, Festive Recipe, holiday
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