Nan’s Egg Yolk Sponge

Ingredients

3 or 4 egg yolks (the whites can be used to make a pavlova)
2 tablespoons hot water
1/2 cup caster sugar
1/2 cup SR flour
pinch salt
1/2 teaspoon vanilla
2 tablespoons milk

Method

Heat oven 180  C.
Beat the yolks with the hot water until pale and creamy (they really fluff up in size) before gradually adding sugar until pale and thick. Add salt and vanilla then
fold in milk and flour. Bake for 20-30 minutes.