Boil up about 1 l salted water. Peel and chop garlic and onion. Peel and wash the carrots and cut them into large pieces. Cut lengthwise into slices, then into sticks, finally into small cubes
Heat the oil in a pan. Briefly sauté the onion, garlic and carrots. Pour tortelloni into boiling water and cook for 17-20 minutes
Add the tomatoes to the carrots and crush them. Add stock, bring to the boil and simmer for about 10 minutes. Wash and chop the basil. thicken sauce with sauce thickener and stir in basil
Refine sauce with cream and season with salt, pepper and sugar. Drain the tortelloni. Serve with the sauce and sprinkle with Parmesan cheese