Peel and finely dice the garlic and onion. Wash the chilli pepper, dab dry and cut into rings, removing the seeds. Heat 1 tablespoon of oil in a saucepan. Sauté the garlic, chilli and onion until translucent.
Add tomatoes and stock, bring to the boil and simmer for about 10 minutes. Clean the broccoli and cut into florets. Wash the florets and cook in boiling salted water for 5-7 minutes until al dente. Wash the meat, dab dry, cut in half crosswise if necessary, season with salt and pepper.
Heat 2 tablespoons of oil in a frying pan. Fry the meat in it in portions on both sides for 2-3 minutes at high heat. Drain broccoli and rinse with cold water. Add olives to the sauce and season to taste with salt, pepper and sugar.
Remove the meat and let it drain on kitchen paper. Stir feta and sour cream until smooth with the whisk of the hand mixer. Hot tomato sauce
Garnish with thyme.