Chocolate Mint Chip-cakes

I cheated and used a packaged cake mix, but the end result is yummy.

Chocolate Mint Cupcakes
1 box devil's food cake mix (3 eggs, 1/2 cup oil, 1 1/3 cup water)
1 tsp mint extract
1 bag mini chocolate chips (3/4 for cupcakes, 1/4 for garnish)
buttercream frosting
Preheat oven according to directions (325F). Prepare pans with nonstick spray.
Prepare cake mix according to directions. Add mint extract with wet ingredients. Gently fold chips into batter. Fill cupcake spaces 2/3 of the way with batter. Bake for 20-25 minutes. Cool in pan for 10 minutes and then on serving platter Cool completely before decorating.

Buttercream Frosting
1 cup unsalted butter
3 cups confectioner's sugar
1 tsp vanilla
pinch of salt
green food coloring

Beat ingredients until smooth. Add food coloring to get desired tint.
Decorate cupcakes with frosting and 1/4 bag mini chips.