Heavy Sponge Cakes

Q: I tried making a sponge cake and it wasn't fluffy and light! It came out of the oven quite heavy. My egg mixture was lovely and light before adding the flour and cornflour so why did this happen?

Curdled butter and sugar mixtures Q: Why do creamed butter and sugar mixtures often curdle when eggs are added?

Different size eggs Q: What size egg is best to use in baking and if my eggs are larger will it make much of a difference to a cake recipe?