Easy Chicken Tikka Masala

Name: Easy Chicken Tikka Masala
Ingredients: 1 ½ tablespoons canola oil; 1 ½ pounds boneless, skinless chicken thighs, cut into 2-inch pieces; 1 ½ cups chopped yellow onion (from 1 medium onion); 5 medium garlic cloves, chopped; 1 tablespoon grated fresh ginger; 2 tablespoons canned no-salt-added tomato paste; 1 ½ teaspoons ground turmeric; 1 ½ teaspoons garam masala; ¼ teaspoon cayenne pepper; 1 15-ounce can no-salt-added tomato puree; 1 cup unsalted chicken stock; ¼ cup heavy cream; ¾ teaspoon kosher salt; ½ teaspoon black pepper; 2 tablespoons chopped fresh cilantro; 2 cups cooked long-grain brown rice