Wash sage, dab dry, chop leaves coarsely. Peel onion and garlic and chop finely. Clean, wash and chop the peppers. Drain beans, rinse and drain. Clean, halve, seed and finely chop the chillies.
Heat the oil. Fry the sage until crisp and remove. Steam half the garlic, onion and paprika in the hot oil for about 5 minutes. Add beans and tomatoes, bring to the boil and simmer for 10-15 minutes. Season with salt and chili.
Bake bread in a preheated oven (electric oven: 200 °C/circulating air: 175 °C/gas: level 3) for 5-8 minutes. Mix yoghurt with the rest of the garlic and season to taste.
Clean, wash and cut the salad into strips. Add sage to the vegetables. Cut bread into quarters, cut horizontally to the edge. Fill with salad and vegetables. Spread yoghurt on top.