Sour Cream Chocolate Cookies - cooking recipe

Ingredients

1/2 C. butter
3/4 C. sugar
1/2 C. packed brown sugar
1 egg
1/2 C. sour cream
1 3/4 C. flour
1 tsp. vanilla
1/2 C. baking cocoa
1 tsp. baking powder
1/2 tsp. baking soda
1/2 tsp. salt
1 C. chocolate chips
1/2 C. white chocolate chips

Preparation

Cream butter and sugar;
beat
in egg, sour cream and vanilla. Stir in dry ingredients and add chips.