Top Secret - A Recipe for 40 INGREDIENTS Cupcakes: 4 cups all-purpose flour 1 cup light brown sugar2 tsp baking soda2 tsp baking powder1 tsp salt6 large eggs1 cup vegetable oil4 tsp REAL BUTTER (melt the butter first)2 tsp vanilla extract1 cup buttermilk1 cup cream soda - Sauce: 1.5 cup butterscotch chips1 cup heavy cream - Frosting: [...]