Ingredients
1/2 cup butter, softened3/4 cup sugar1/2 cup packed brown sugar1 large egg, room temperature1/2 cup sour cream1 teaspoon vanilla extract1-3/4 cups all-purpose flour1/2 cup baking cocoa1 teaspoon baking powder1/2 teaspoon baking soda1/4 teaspoon salt1 cup semisweet chocolate chips1/2 cup vanilla or white chips
Preparation
In a large bowl, cream butter and sugars until light and fluffy, 5-7 minutes. Beat in egg, sour cream and vanilla. Combine dry ingredients; gradually add to the creamed mixture. Stir in chips.
Drop by rounded tablespoonfuls 2 in. apart onto greased baking sheets. Bake at 350° for 12-15 minutes or until set. Cool for 2 minutes before removing to wire racks to cool completely.
