Peel, wash and halve the potatoes and cook in plenty of salted water for about 20 minutes. Meanwhile clean, wash and dry the beans and cook them in salted water for 8-9 minutes. In the meantime peel and finely dice the onion.
Wash the lamb chops, dab dry and season with salt and pepper. Press the potatoes through a potato ricer. Peel 3 garlic cloves and press them into the puree using a garlic press.
Add 4 tablespoons of olive oil and sesame paste and mix well. Season to taste with salt and lemon juice. Keep warm. Heat butter in a pot. Sauté onions until translucent. Add beans and toss.
Heat 2 tablespoons of olive oil in a frying pan. Sauté the lamb chops on each side for 2-3 minutes. Crush 2 cloves of garlic. Add the garlic and rosemary and fry. Arrange everything together and sprinkle potato humus with sesame seeds.