Mix curd cheese and mineral water. Wash the basil, shake dry and cut the leaves into thin strips. Stir in basil. Season with salt and pepper.
Peel the onion and cut into thin slices. Clean and wash the vegetables. Halve zucchini lengthwise and cut into slices. Cut the bell peppers into strips. Wash the meat, dab dry and cut into strips.
Heat the oil in a coated pan. Fry the meat in it all around for about 4 minutes. Season with salt, pepper and paprika, take out. Stir-fry onion and vegetables in the frying fat for 3-4 minutes.
Season with salt and pepper. Add meat and olives and heat. Serve with the basil quark and baguette.