TOTAL TIME: Prep: 10 min. Bake: 25 min. + cooling YIELD: 16 servings.
Ingredients
1/2 cup butter, softened
1-1/2 cups sugar, divided
2 large eggs
1 cup (8 ounces) sour cream
1 teaspoon vanilla extract
2-1/2 cups all-purpose flour
1-1/2 teaspoons baking powder
1 teaspoon baking soda
TOPPING:
1 cup (6 ounces) semisweet chocolate chips
1 teaspoon ground cinnamon
Directions
1. In a large bowl, cream butter and 1 cup sugar until light and fluffy. Add eggs, sour cream and vanilla; mix well. Combine the flour, baking powder and baking soda; add to creamed mixture (batter will be thick).
2. Spread half of the batter into a greased 13x9-in. baking pan. Combine chocolate chips, cinnamon and remaining sugar; sprinkle half over batter. Drop remaining batter by spoonfuls over the top. Sprinkle with remaining chip mixture. Bake at 350° for 25-30 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack.