Step 1

Preheat oven to 375 F. Line a cookie sheet with parchment paper or silplat mat.

Step 2

Combine flour, baking powder, baking soda and salt in medium bowl; set aside.

Step 3

Add butter, sugar, and brown sugar to a large mixing bowl or stand mixer and beat until light and fluffy. Scrape the sides of the bowl when mixing.

Step 4

Add egg and vanilla and mix until combined.

Step 5

Gradually mix in the flour and mix until combined.

Step 6

Stir in chocolate chips and m&m’s.

Step 7

Scoop dough into large balls (about 3 Tablespoons) and place on prepared baking sheet about 2 inches apart.

Step 8

Bake for 8 to 10 minutes or until light golden brown around the edges (Do not over bake.)

Step 9

Let stand 1 minute on cookie sheet, then transfer to cooling rack to cool completely