A homemade birthday cake is treat that will be remembered for ... incorporated into the batter before adding the next. Add a tablespoon of flour if the mixture curdles. Mix in the vanilla extract.

This is a really easy birthday cake for kids of all ages. Dan Lepard shows you how to make it in a step-by-step video. For the cake, line the base of a deep 20cm/9in cake tin with non-stick paper ...