Go Back
Freshly baked Mm Cookie Bars Recipe cut into squares on a baking tray

Mm Cookie Bars Recipe

These easy Mm Cookie Bars Recipe are soft, chewy, and packed with colorful candy. A no-chill, one-bowl recipe perfect for parties, bake sales, and everyday sweet cravings.
Print Recipe Pin Recipe
Prep Time 10 minutes
Cook Time 25 minutes
Cooling 1 hour
Total Time 1 hour 35 minutes
Servings: 24 bars
Course: Dessert
Cuisine: American
Calories: 240
Ingredients Equipment Method Notes

Ingredients
  

  • 2¼ cups All-purpose flour Spooned and leveled
  • 1 teaspoon Baking soda
  • 1 teaspoon Salt
  • 1 cup Butter Softened (2 sticks)
  • ¾ cup Granulated sugar
  • ¾ cup Brown sugar Packed
  • 2 Eggs Large
  • 2 teaspoon Vanilla extract
  • 2 cups M&M candies Reserve ½ cup for topping
  • 1 cup Mini chocolate chips Optional for extra chocolate

Equipment

  • 1 9x13 baking pan Metal preferred for even heat
  • 1 Electric mixer Stand or hand mixer
  • 2 Mixing bowls One medium, one large
  • 1 Parchment paper Optional but helps with removal
  • 1 Spatula or spoon For folding in M&Ms

Method
 

  1. Preheat oven to 350°F (175°C) and line a 9x13 pan with parchment paper.
  2. In a bowl, whisk together flour, baking soda, and salt.
  3. Cream butter and both sugars until light and fluffy; beat in eggs and vanilla.
  4. Gradually mix in dry ingredients until just combined.
  5. Fold in M&Ms (reserve ½ cup); press dough into pan and top with reserved M&Ms.
  6. Bake for 22–25 minutes until edges are golden and center is slightly underbaked.
  7. Let cool in the pan for 1–2 hours before slicing.

Notes

  • Nutrition information is automatically calculated, so should only be used as an approximation.