Butter Chicken

Name: Butter Chicken
Cuisine: Asian, Indian
Ingredients: Chicken:; 1 cup (240g) full-fat yogurt; 1 Tbsp (15g) garam masala; 1 Tbsp (15g) kosher salt; 1 1/2 lbs (680g) boneless, skinless chicken thighs; Butter Chicken Curry:; 2 Tbsp (30g) vegetable oil; 1 yellow onion, diced; 2-inch knob of ginger, finely diced; 6 cloves of sliced garlic; Salt and pepper to taste; 2 tsp (8g) paprika; 2 tsp (9g) ground cumin; 1 Tbsp (14g) garam masala; 1 1/2 tsp (6g) turmeric powder *optional; 14oz crushed tomatoes; 2/3 cup (160ml) water; 1 cup (240ml) heavy cream; 2 Tbsp (28g) unsalted butter; Steamed rice; Fresh cilantro