Mint Chocolate Cookies

2/3 cup butter
1 Cup sugar
1 Egg
1 Tsp vanilla
1 Cup flour
1/2 Cup cocoa
1/2 Tsp baking soda
1/4 Tsp salt
1-2/3 Cups/10-oz bag of mint chocolate chips (I used a bag of mini York Peppermint Patties...mmm)

Heat oven to 350°F

Beat butter and sugar until creamy. Add egg and vanilla, beat well. Stir together flour, cocoa, baking soda and salt; add to butter mixture. Beat well. Stir in mint chocolate chips.

Bake 8 to 9 minutes. Makes about 2 dozen.

Stolen from Jamie.