Chocolate Mint Sandwich Cookies - Chopped

Ingredients

• 1 cup all-purpose flour
• 1/2 cup cocoa powder
• 1 tsp baking powder
• 1/4 tsp salt
• 1/2 cup butter softened
• 1 cup sugar
• 1 egg
• 1 tsp vanilla extract
• 1/2 tsp mint extract
• green food coloring
• 1 cup powdered sugar
• 2-3 Tbsp milk