Chicken Tikka Masala

Tikka

• 1½ lb boneless skinless chicken breasts, cut into 1½-inch chunks680 g boneless skinless chicken breasts, cut into 1½-inch chunks
• ½ cup nonfat plain Greek yogurt115 g nonfat plain Greek yogurt
• 1 tbsp lemon juice1 tbsp lemon juice
• 3 cloves garlic, grated3 cloves garlic, grated
• 2 tsp grated fresh ginger2 tsp grated fresh ginger
• 2 tsp garam masala2 tsp garam masala
• 1 tsp ground cumin1 tsp ground cumin
• 2 tsp smoked paprika2 tsp smoked paprika
• 1 tsp kosher salt1 tsp kosher salt
• 1 tsp vegetable oil1 tsp vegetable oil

Masala sauce

• 1 tbsp ghee, or butter1 tbsp ghee, or butter
• 1 large yellow onion, finely chopped1 large yellow onion, finely chopped
• 3 cloves garlic, grated3 cloves garlic, grated
• 2 tsp grated fresh ginger2 tsp grated fresh ginger
• 1 serrano chile, minced; seeded for mild1 serrano chile, minced; seeded for mild
• 2 tbsp tomato paste32 g tomato paste
• 2 tsp garam masala2 tsp garam masala
• 1 tsp ground cumin1 tsp ground cumin
• 1 tsp ground coriander1 tsp ground coriander
• 1 tsp ground turmeric1 tsp ground turmeric
• 1 tsp kosher salt1 tsp kosher salt
• 15 oz canned crushed tomatoes, one 15-oz can425 g canned crushed tomatoes, one 15-oz can
• ½ cup water120 ml water
• ¾ cup light coconut milk, shaken well175 ml light coconut milk, shaken well
• 1 tbsp lemon juice1 tbsp lemon juice
• ¼ cup chopped fresh cilantro4 g chopped fresh cilantro

To serve

• 4 naan4 naan