To make this recipe follow the curd recipe on page 52 of Home Sweet Home, replacing the limes with lemons and don't use the double cream. Then on the same page, follow the sponge recipe exactly. Then on page 106, follow the frosting recipe exactly. Then you have very yummy Very Lemony Cupcakes, perfect for Spring time! If you don't have the Home Sweet Home recipe book yet, go out and get it! Lots of yummy recipes!