Chicken Tikka Masala

Ingredients

• 1 cup plain yogurt
• 2 tablespoons lime juice
• 2 tablespoons garam masala
• 1 tablespoon fresh ginger root, minced
• 1 teaspoon salt
• 4 boneless skinless chicken breasts, cut into 1 1/2-inch cubes
• 1 medium red onion, roughly chopped
• 2 cloves garlic, peeled
• 1 1-inch piece peeled ginger root, roughly chopped
• 2 tablespoons clarified butter or ghee
• 3 teaspoons garam masala
• 1 whole red chili, crushed slightly with the back of a knife (optional)
• 2 large ripe tomatoes, deseeded and finely chopped
• 1 cup heavy cream
• salt to taste