Double Chocolate M&M Cookies are meant for the serious chocolate cookie lover - loaded with m&ms, and packed with cocoa, these cookies are super moist and chewy!
Prepare a baking sheet by lining with parchment paper. Set aside.
In a large bowl, use your hand mixer to cream the butter and sugars together.
Add both of the eggs and the vanilla; mix until completely combined.
Add the flour, cocoa powder, baking powder, baking soda, and salt, and beat until all combined.
Switch to a wooden spoon to stir in the oats and one cup of the mini M&Ms.
Using a small ice-cream scoop, about 1 tablespoon, position the mounds of cookie dough onto a baking sheet and slightly flatten with the palm of your hand.
Gently press 5-7 mini M&Ms into the top of the mounds of cookie dough and bake for 10 minutes.
Allow to cookies to sit for two minutes before transferring to a wire cooling rack to cool completely.