Ingredients
1/2 cup butter, softened1-1/2 cups sugar, divided2 large eggs1 teaspoon vanilla extract2 cups all-purpose flour1 teaspoon baking powder1/2 teaspoon baking soda1 cup sour cream3/4 cup semisweet chocolate chips1 teaspoon ground cinnamon
Preparation
In a large bowl, cream butter and 1 cup sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Beat in vanilla. Combine the flour, baking powder and baking soda; add to the creamed mixture alternately with sour cream, beating well after each addition.
Spread half of the batter into a greased 9-in. square baking pan. Sprinkle with the chocolate chips. Combine cinnamon and remaining sugar; sprinkle over chips. Spread with remaining batter.
Bake at 350° for 45-50 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack.
