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–+ servings
already cut m&m cookie bars spread out on parchment paper
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4.72 — Votes 7 votes

Soft & Chewy M&M Cookie Bars

These M&M cookie bars are soft, chewy, buttery, and SO easy to make!
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Course: Dessert
Cuisine: American
Servings: 9 servings
Author: Amber Goulden

Ingredients

  • 1/2 cup 4 ounces butter, melted
  • 1 cup brown sugar 192 grams
  • 1 teaspoon vanilla extract
  • 2 eggs room temperature
  • 1 1/2 cups all-purpose flour (we used King Arthur for gluten-free!) 186 grams
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon coarse sea salt or 1/4 teaspoon fine salt
  • 1 cup M&Ms

Instructions

  • Preheat the oven to 325°F and grease an 9x9 pan with butter, or line with parchment paper.
  • Whisk the butter, eggs, sugar, and vanilla extract together in a large bowl.
  • Add the flour, baking soda, and salt to the bowl and stir to combine. Once the flour is fully incorporated, mix in the M&Ms.
  • Press the mixture into the bottom of a 9x9 pan, and bake for 30-35 minutes, until the top is browned and a toothpick inserted into the center of the pan comes out clean.

Nutrition

Calories: 390kcal | Carbohydrates: 56g | Protein: 5g | Fat: 17g | Saturated Fat: 10g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.5g | Cholesterol: 67mg | Sodium: 308mg | Potassium: 72mg | Fiber: 1g | Sugar: 38g | Vitamin A: 420IU | Vitamin C: 0.1mg | Calcium: 59mg | Iron: 2mg