Ingredients:
- 4 tablespoons unsalted butter
- 1 cup chopped yellow onion (from 1 onion)
- 1 tablespoon finely chopped garlic (from 3 garlic cloves)
- 1 (2-in.) piece fresh ginger, peeled and minced (about 1 Tbsp.)
- 4 teaspoons garam masala
- 2 ¼ teaspoons kosher salt
- 2 teaspoons ground turmeric
- 1 cinnamon stick
- 1 ½ cups tomato puree (from 1 [28-oz.] can)
- 2 tablespoons tomato paste
- 2 pounds boneless, skinless chicken thighs
- 1 cup water
- ½ cup heavy cream
- Cooked basmati rice, naan flatbread, and fresh cilantro leaves, for serving