Wash the potatoes and precook for about 25 minutes. Clean, wash and finely chop the spring onions. Mix with quark and salad cream, season. Peel and chop onion and garlic. Fry in 1 tbsp. oil. Mix with honey, ketchup and some chilli powder
Clean and wash the tomatoes and zucchini. Peel the vegetable onion. Cut everything into slightly thicker slices. Wash the thyme and remove the leaves. Brush the vegetable slices with 1 tablespoon of oil. Sprinkle with salt, pepper and thyme
Drain the potatoes, quench them and wrap them individually in aluminium foil. Dab the meat dry. Cut the fat edge of the rump steaks several times with a sharp knife so that the meat does not bulge when roasting. Coat the steaks with 1-2 tablespoons of oil
Bake the potatoes on the hot grill for about 20 minutes. Grill the steaks, turning them several times for 8-10 minutes. Then season. Grill onion and zucchini 3-5 minutes, tomatoes 2-3 minutes. Spread herb butter on the steaks. Arrange everything