Cut the peppers into quarters, clean and wash them, place them on a fat pan of the oven and bake in the preheated oven (electric cooker: 200 °C/ circulating air: 175 °C/ gas: see manufacturer) for about 20 minutes.
In the meantime, clean up the mushrooms. Wash the rosemary, shake dry. Clean, wash and dry grate the tomatoes. Heat 4 tablespoons of oil in a pan. Sauté the mushrooms for 4-5 minutes while turning them.
Season with salt and pepper. Add tomatoes and rosemary. Sprinkle sugar over it and let it caramelise briefly. Deglaze with vinegar. Swivel everything through and let it cool down on a flat plate.
Remove the peppers, let them cool down a little and peel the skin. Season the paprika with salt and pepper. Cut baguette into slices. Sprinkle with 2 tablespoons of olive oil. Peel garlic, halve it and rub it with the cut surface over the bread slices.
Roast slices of bread in a hot pan in several portions until golden brown. Drain on kitchen paper.
Wash the chicken filet and dab dry. Dab beef and pork fillet dry. Cut meat into cubes of about 2 cm. Peel onions and cut into slices. Put meat and onions alternately on skewers.
Season vigorously with salt and pepper. Heat 4 tablespoons of oil in portions in a large frying pan. Fry the skewers in it in 2 portions for 6-8 minutes while turning. Wash the salad and spin dry. Arrange skewers on a plate.
Place lettuce leaves as "bowl" on the plate, add mushrooms and tomatoes. Arrange roasted bread slices on a second plate, spread roasted peppers on top. Wash basil, shake dry and cut into fine strips.
Sprinkle over the peppers.