Ingredients:

• 3/4 cup Butter
• 1/3 cup Sugar
• 1 cup Brown sugar
• 1 Egg
• 1 Egg yolk
• 1 1/2 tsp Vanilla extract
• 1 1/2 cups Flour
• 1/2 cup Cocoa powder
• 1 tsp Baking soda
• 1/2 tsp Salt
• 1 cup Mint chips

Directions:

1. Preheat oven to 375 and line a baking sheet with parchment paper.
2. Cut the butter into small cubes and use an electric/stand mixer to whip it together.
3. Add the sugar and brown sugar and mix together.
4. Mix in the egg, egg yolk, and vanilla extract
5. Fold in the cocoa powder, flour, baking soda, and salt.
6. Mix in the mint chips.
7. Bake at 375 for 10-12 minutes.
8. Let cool and enjoy!