Chicken Simmered In Spiced Yogurt

Name: Chicken Simmered In Spiced Yogurt
Ingredients: 1/2 cup roasted cashews, coarsely chopped; 2 tablespoons vegetable oil; 6 cardamom pods; 1 cinnamon stick, broken; 1 bay leaf; 1 teaspoon whole black peppercorns; Ginger Paste; Garlic Paste; Onion Paste; 1 long hot green chile, seeded and cut into 1/2-inch dice; 1 medium tomato, coarsely chopped; 4 whole chicken legs, separated into drumsticks and thighs and skinned; 2 teaspoons garam masala; 1/8 teaspoon saffron threads; Salt and freshly ground pepper; 2 cups plain low-fat yogurt