These chewy M&M Cookie Bars are buttery, soft, and loaded with colorful chocolate candies and chocolate chips. They bake in one pan, slice neatly, and are perfect for sharing at parties, holidays, or family gatherings.
Calories:
Author: Sandra Myers
Ingredients
1cup2 sticks unsalted butter, softened
1cuppacked light brown sugar
½cupgranulated sugar
2large eggsat room temperature
1tablespoonpure vanilla extract
2 ¾cupsall-purpose flour
1teaspooncornstarch
1teaspoonbaking soda
½teaspoonfine sea salt
1 ½cupsmilk chocolate M&M’s candiesdivided
1cupsemi-sweet chocolate chips
Instructions
Preheat oven to 350°F (175°C), grease a 9x13-inch pan, and line with parchment.
Beat softened butter, brown sugar, and granulated sugar until light and fluffy.
Mix in eggs one at a time, then add vanilla extract.
Whisk together flour, cornstarch, baking soda, and salt in a separate bowl.
Gradually add dry ingredients to wet, then fold in 1 cup M&M’s and chocolate chips.
Spread dough evenly in pan, smooth the top, and press in remaining M&M’s.
Bake 22–26 minutes until golden at the edges with a slightly soft center.
Cool completely, lift out with parchment, and slice into bars.