Chicken Tikka Masala

Name: Chicken Tikka Masala
Ingredients: 1 tbsp. ground turmeric; 4 tsp. garam masala; 1 tsp. red food coloring (optional); 6 cloves garlic, crushed; 1 (2 1⁄2″) piece ginger, peeled and chopped, plus julienned strips for garnish; 1 jalapeño, stemmed and chopped; 1 (28-oz.) can whole peeled tomatoes, undrained; 2 lb. boneless skinless chicken breasts, cut into 1 1⁄2″ cubes; 1⁄4 cup Greek yogurt, such as Fage; Kosher salt, to taste; 6 tbsp. unsalted butter; 1 tsp. coriander seeds; 1⁄2 tsp. cumin seeds; 1 tbsp. paprika; 2 small yellow onions, finely chopped; 1 cup heavy cream; Cilantro leaves, for garnish; Cooked basmati rice, for serving