Joshua Weissman Butter Chicken

Ingredients

• 240 g (1 cup) full-fat yogurt
• 15 g (1 tablespoon) garam masala
• 15 g (1 tablespoon) kosher salt
• 680 g (1½ lbs) boneless, skinless chicken thighs
• 30 g (2 tablespoons) vegetable oil
• 1 yellow onion, diced
• 5 cm (2-inch) knob of ginger, finely diced
• 6 cloves of sliced garlic
• Salt
• pepper
• 8 g (2 teaspoons) paprika
• 9 g (2 teaspoons) ground cumin
• 6 g (1½ teaspoons) turmeric powder, optional
• 1 x 396 g (14oz) crushed tomatoes
• 160 g (2⁄3 cup) water
• 240 g (1 cup) heavy cream
• 28 g (2 tablespoons) unsalted butter
• Steamed rice
• Fresh cilantro