Peel and chop the onion. Wash the parsley, dab dry and chop the leaves. Heat the oil in a pan and sauté the onions. Add the minced meat and stir-fry thoroughly.
Add tomato paste and canned tomatoes and stir in. Season minced meat with salt, pepper, paprika and a little cinnamon. Add parsley, bring to the boil and simmer for about 15 minutes. Chop tomato pieces with a spoon.
Remove the sauce from the heat and let it cool down. Meanwhile, prepare macaroni in boiling salted water according to instructions on the packet. Pour onto a sieve, rinse under cold water and drain.
Mix 40 g of cheese into the noodles. For the béchamel sauce, melt the fat in a saucepan. Sweat the flour in it while stirring. Add milk and stock little by little. Bring the sauce to the boil and simmer at medium heat for about 3 minutes.
Stir from time to time. Season the sauce with salt, pepper and nutmeg. Remove the pot from the stove. Whisk eggs and 2 tablespoons of cold water and stir into the béchamel. Grease a large casserole dish well.
Put half of the macaroni in the mould and spread the minced meat sauce on top. Cover with the remaining macaroni and spread the béchamel sauce on top. Sprinkle 35 g of cheese over it. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 45-50 minutes.