[header] How to make a number 3 cake [title] Bake 2 round cake layers that are 8 inches (20 cm) wide. [step] Use your favorite cake recipe or cake mix and pour the batter into 2 cake pans that are 8 inches (20 cm) across. Bake them for as long as your recipe or instructions suggest. 
When they're done, you should be able to insert a toothpick and pull it out without bringing any batter or crumbs out with it. [title] Let the cakes cool in their pans for 5 minutes.