Last year, my mom showed me a simple tip to get the cake out of your pan perfectly every time! Prepare your pan as you normally would for a cake with butter or shortening and then flour. Then, using the bottom of the pan as your stencil, draw a circle into wax paper. Then cut it out and stick it in the bottom of the pan before adding your batter. When the cake is done, it's just a matter of loosening the edges with a knife and the cake slides right out. Simply peel off the wax paper and voila! the perfect cake bottom!
Have you tried this before? What other tips do you have to get your cakes to come out of the pan cleanly?