Heat 1 tablespoon of soya oil in a pan and roast the peanuts in it. Remove and chop coarsely. Peel onion and garlic, finely dice onion, press garlic through a garlic press. Heat 1 tablespoon of soya oil, fry the onion and garlic until transparent. Add peanut cream and melt while stirring. Add half of the chopped peanuts and 200 ml water and stir until a smooth sauce is formed. Season with lemon juice, sambal oelek, cayenne pepper, soy sauce and sugar