4 very large beef tomatoes or 8 smaller ones
400 g minced beef
1 bread roll from the previous day
1 egg
1 small onion
1 garlic clove
1/2 tsp cumin
1 pinch Cayenne pepper ground
2 sprigs thyme
2 sprigs rosemary, salt, pepper
100 g Feta cheese
Olive oil to grease the mold
125 g yogurt
3 sprigs mint
Salt