For the rice casserole with curd, boil milk with salt and half of the sugar, stir in rice and let it swell on low heat. Then let it cool down.
Separate the eggs and beat the egg whites until creamy. Beat the yolks with the curd cheese, sugar, vanilla sugar and lemon zest until creamy, add the cooled rice pudding and lemon juice, fold in the beaten egg whites.
Butter a baking dish and pour in the rice mixture.
Preheat the oven to 200 °C and bake the casserole for about 40 minutes.
Serve the rice casserole with curd on plates and sprinkle with cinnamon.