Cut off the lid from the peppers and remove the inside. Mix the minced meat with half an onion, chopped into small pieces, grated zucchini, egg, grated feta cheese, garlic, pepper and a little salt (use carefully). Stuff the peppers with the mixture. Then put the lid back on.
In the meantime, fry the other half of the finely chopped onion in olive oil until translucent. Then add the tomato paste and sweat it with it. Deglaze with half a liter of stock and add the can of tomatoes. Bring the garlic, pepper, salt and a little sugar to the boil.
Put the peppers in the liquid and simmer over medium heat for about 30 minutes. You can thicken the sauce if you want. All sorts of side dishes go well with it, such as B. Rice, baked potatoes, potato wedges, puree