Dice bacon and ham. Peel onions, clean and wash vegetables. Dice everything finely. Fry bacon and minced meat in 1 tablespoon of oil. Fry ham, vegetables and half onions. Add 3 chopped tomatoes, 1 tablespoon marrow and wine, season. Simmer for 5-10 minutes
For the béchamel sauce, melt the fat and sauté the flour. Boil up with milk and cream. Melt half of the Parmesan cheese in it, season to taste. For the tomato sauce, fry the rest of the onions in 1 tbsp oil. Simmer for 5 minutes with 1 tbsp. pulp and the rest of the tomatoes and juice, season to taste.
Wash, pluck and finely chop the basil. Dice mozzarella. Mix both into the mince. Grease an ovenproof dish well. Place the cannelloni vertically and fill in the minced mass with a teaspoon. Then place them close together
First spread béchamel sauce, then tomato sauce evenly over the cannelloni. Sprinkle with the remaining Parmesan cheese. Bake in the preheated oven (electric cooker: 200 °C/recirculating air: 175 °C/gas: level 3) for 30-35 minutes until golden brown. Serve with a fresh salad