Clean and wash the tomatoes. Cut off the lid and chop finely. Hollow out the tomatoes. Peel and finely chop the onion. Heat oil. Fry onion and minced meat for about 4 minutes while turning. Add tomato remains, season with salt and pepper.
Let it boil down for 2 minutes at high heat. Pour into the tomatoes. Cut the mozzarella into slices. Wash the marjoram and remove the leaves. Cover tomatoes with mozzarella, sprinkle with leaves. Shortly before serving, bake in a preheated oven (electric: 225 ° C/ gas: level 4) for about 5 minutes.
Cook the pasta in boiling salted water for about 7 minutes, then drain. Meanwhile, for the sauce, pluck sage leaves and chop a little if necessary. Peel garlic and press it through the press. Melt the fat.
Sauté the garlic and sage in it. Deglaze with broth and cream, bring to the boil. Sprinkle in sauce thickener. Season to taste with salt, pepper and lime juice. Serve pasta, sauce and tomatoes in portions garnished with fresh herbs and lime.