Clean, wash and cut the rhubarb into approx. 4 cm long pieces. Steam in little water for about 2 minutes and drain. Mix with 25 g sugar. Separate the eggs. Beat the fat until frothy. Stir in low-fat curd cheese, 50 g sugar, egg yolk and vanillin sugar.
Stir everything until frothy. Stir in semolina, baking powder and lemon peel. Beat egg whites until stiff, fold in. Fold in rhubarb. Fill dough into a greased form. Bake in the preheated oven (electric cooker: 200 ° C / fan oven: 175 °C / gas: level 3) for 50-60 minutes.
Wash, clean and halve the strawberries. Warm the jam and toss the strawberries in it. Put some strawberries on the casserole. Add the rest of the fruit.