Chicken with peanuts

Cooking time – 1 hour. Ingredients: Chicken breast – 200 gramsPeeled unsalted peanuts – 75 gramsBlack peppercorns – 1 teaspoonRed chili peppers – 2 piecesSugar – 2 teaspoonsSoy sauce – 2 tablespoonsVinegar – 2 teaspoonsCognac – 1 teaspoonStarch – 2 tablespoonsOnion – 1 headGarlic – 10 gramsGinger – 10 gramsVegetable oil – 1 glass