Fry the ground beef in the pan until crispy and season with paprika, salt and pepper.
Add diced peppers, onions and garlic and let simmer for 5 minutes. Stir the tomato paste with the broth until smooth and add to the meat, simmer for 15 minutes. Stir in the créme fraîche and ketchup.
Pour the cooked macaroni and the mixture into a large baking dish in layers.
Whisk the eggs with the milk and a little salt and pour over the pasta. Sprinkle with the cheese.
Bake in the middle of the oven for 45 minutes at 175 ° C.