If you run out of baking powder, mix baking soda with cream of tartar. You want 1 part baking soda to 2 parts cream of tartar; Mix white sugar and molasses to make brown sugar. You can substitute regular milk + lemon juice or vinegar for buttermilk.
Meatball Sub Cupcakes - quick, easy and delicious. Great for dinner or tailgating and lunches! I eliminated the cream cheese and just added extra sauce on the bottom instead. Boys enjoyed them for their school lunches. Freezes well!