How to Make Authentic Chicken Tikka Masala

Ingredients

• 1 kg boneless, skinless chicken thighs (cut into bite-sized pieces)
• ½ cup plain yogurt
• 1 tablespoon crushed garlic
• 1 tablespoon chopped ginger
• 1 teaspoon garam masala
• 1 teaspoon salt
• 3 tablespoons vegetable oil
• 3 tablespoons butter
• 1 large onion, finely chopped
• 1 ½ tablespoons crushed garlic
• 1 tablespoon finely grated ginger
• 1 ½ teaspoons garam masala
• 1 teaspoon ground cumin
• 1 teaspoon turmeric powder
• 1 teaspoon ground coriander
• 14 oz (400g) tomato puree (tomato sauce/Passata)
• 1 teaspoon ground red chili powder
• 1 ½ cups heavy cream
• 1 teaspoon brown sugar
• ¼ cup water (if needed)
• 4 tablespoons fresh cilantro for garnish