Peel, wash and slice the carrots. Wash, clean and slice the zucchini. Peel and slice the onions. Peppers clean, wash and roughly cut into cubes.
Cut the garlic bulb in half horizontally. Wash the rosemary and shake dry. Spread a thin layer of oil on the oven pan. Spread the vegetables and rosemary over it. Sprinkle with oil and season with sea salt.
Cook in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 20-30 minutes. Cut artichoke hearts in half and add them to the roasted vegetables about 5 minutes before the end of the cooking time. Prepare tortellini in boiling salted water according to package instructions.
Stir the ricotta, sour cream, milk and 4 tbsp vinegar until smooth. Season to taste with salt, pepper and sugar. Drain tortelloni, rinse with cold water, drain and marinate with 3 tbsp vinegar. Take the finished vegetables out of the oven.
Remove the garlic cloves from the skin. Crush half of the cloves with a fork and stir into the salad dressing. Mix tortelloni, remaining garlic and vegetables. Serve with the sauce and sprinkle with chilli flakes.