We used to have one that we'd make little cheapo deserts in as a kid. We'd take white bread, spread butter on one side of each piece and sprinkle with cinnamon and sugar. Put the bread in and add some pie filling (apple, cherry whatever) then the other slice of bread. Made great little mini-deserts for kids. I've seen people use those for a quiche like thing with egss, milk, cheese and spinach and they always look yummy!