Strawberry Bavarian Cake

Because Bavarian creams are runny before they set, and you’re including one as part of this cake, you have to assemble the cake in something that won’t leak. The springform pan is lined with plastic wrap so none of the Bavarian cream mixture can leak out or stick to the pan. The cake layers are made by slicing a 1-to 1½-inch layer cake crosswise into 4 rounds with a long serrated knife. Getting all