Ingredients

½cupsalted butter

¾cupgranulated sugar

1large egg

1egg yolk

1½cupall purpose flour

1tbspcornstarch

1tspbaking powder

½tspbaking soda

¼tspsalt

¾cupm&m’s

¼cupmini m&m’s

4tbspbutter

3½tbspcocoa powder

1½cupspowdered sugar

½tspvanilla

1tbspmilk

M&M’s

sprinkles

Preparation

Preheat oven to 350 degrees F and grease a 9-inch pie dish.

Beat butter for 2 minutes until smooth. Mix in sugar until fluffy. Add in the egg, yolk, and vanilla until smooth, creamy, and light in color.

Add the flour, cornstarch, baking powder, baking soda, and salt and mix until combined.

Mix in the m&m’s by hand until evenly distributed.

Spread dough in the greased pie dish. Bake for 23 to 26 minutes. Cool completely before removing from pie dish and frosting.

Beat butter and cocoa powder together. Mix in the powdered sugar and vanilla. Add the milk as needed to get desired consistency.

Place frosting in a piping bag with an M1 tip and decorate the cookie cake. Immediately add the M&M’s and sprinkles.