Coca-Cola Brownie Cake ~ 1 3/4 c sugar; 2 1/2 c flour; 3/4 c cocoa powder; 1/4 c butter; 1 tsp baking powder; 2 eggs; 1 tsp vanilla extract; 1 can Cola Preheat oven to 350 degrees, grease a 9 x 9 inch pan.Combine all ingredients except vanilla extract and Coca-Cola. Blend at low speed of mixer, then beat 2 minutes at medium speed. Add vanilla extract and Cola and blend well by hand. Pour into pan. Bake for 35 minutes. Let cool before cutting into squares to remove from pan.