Slow-Cooker Chicken Tikka Masala | America's Test Kitchen

Ingredients

• 1 (28-ounce) can crushed tomatoes
• 2 teaspoons sugar
• 3 tablespoons vegetable oil
• 1 onion , chopped fine
• 1 serrano chile , stemmed, seeded, and minced
• 4 garlic cloves , minced
• 1 tablespoon grated fresh ginger
• 1 tablespoon tomato paste
• 1 tablespoon garam masala
• Salt and pepper
• 2 pounds boneless, skinless chicken breasts , trimmed
• 2/3 cup heavy cream
• 1/4 cup chopped fresh cilantro