01 -
On low heat, cook the sausage meat in a skillet until it’s done. Drain it in a sieve and set aside.
02 -
Slice the zucchinis into thin rounds. Cut the lasagna sheets into three strips each to fit your dish.
03 -
Chop the onion and garlic, then sauté them in a pot with a bit of olive oil. Mix in the tomato paste, canned tomatoes, water, herbs, sugar, salt, and pepper. Simmer gently for 10 minutes.
04 -
In a bowl, combine the milk, crème fraîche, and mustard. Season with salt and pepper to your liking.
05 -
Preheat your oven to 180°C (fan setting). Start by spreading a little tomato sauce at the bottom of a baking dish. Layer lasagna sheets, zucchini slices, cooked sausage meat, and mustard sauce. Repeat the layers and end with pasta at the top. Sprinkle shredded cheese and pour some tomato sauce on top. Finish with Parmesan cheese. Cover the dish with foil and bake for 50 minutes. Then, remove the foil and grill for another 10 minutes to brown the top.