Sponge cake is delicious and easy to make. Here is a Swedish recipe:
150 ml sugar
2 teaspoons grated lemon rind
300 ml flour
2 teaspoons baking powder
75 grams butter
100 ml milk
Beat the eggs and sugar until thick.
Add the flavouring, flour and baking powder.
Melt the butter and cool.
Stir into the batter.
Add the milk gradually.
Mix to form a smooth batter.
Pour into a buttered cake pan that has been sprinkled with breadcrumbs.
Bake for about 45 minutes at 175 C.
This cake is great with coffee or tea. Enjoy!