Mughlai Chicken

Name: Mughlai Chicken
Ingredients: 2.5 cm piece of fresh root ginger (peeled); 4 cloves garlic (peeled); 2 teaspoons ground cumin; 1 teaspoon ground coriander; ½ teaspoon dried chilli; 4 tablespoons ground almonds; 125 ml water; 5 cardamom pods (bruised); 1 cinnamon stick (broken in half); 2 bay leaves; 4 cloves; 4 tablespoons vegetable oil; 1.5 kilograms boneless, skinless chicken thighs (each cut in 2); 2 onions; 250 ml greek yoghurt; 250 ml chicken stock; 125 ml double cream; 100 grams golden sultanas; 1 teaspoon garam masala; 1 tablespoon caster sugar; 1 teaspoon salt; 75 grams flaked almonds (toasted)