Preheat oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer). Dab the fillet dry and cut lengthwise to a depth of approx. 2 cm. Season with pepper. Chop the olives. Mix with the cream cheese and season with salt and pepper.
Stuff the fillet with it and wrap it tightly with bacon.
Heat 2 tablespoons of oil in an ovenproof pan. Brown the fillet in it for about 5 minutes all around. Then finish frying in a hot oven for about 20 minutes.
Meanwhile, peel and roughly chop the onion and garlic. Clean, wash and chop the peppers, zucchini and tomatoes. Wash thyme, shake dry, remove leaves.
Heat 2 tablespoons of oil. Sauté the onion and garlic in it. Fry zucchini and bell peppers for about 3 minutes. Add tomatoes and thyme, season everything with salt and pepper. Simmer open for about 5 minutes. Season to taste.
Do everything. It goes well with pita bread.