Ricotta Cheese Cake

Ingredients

3 ricotta
400 gr sugar
65 gr flour
8 egg yolks
1 rind of lemon
4 gr vanilla
120 ml cream
8 egg whites
300 gr sugar
100 gr sugar
12 spring form which has been well buttered
425 degree oven for the first

Instructions

and bake for 1 hour. Turn off heat and allow to cool in oven with door closed. Freezes well. Dust with powdered sugar when served.