This Slow Cooker Chicken Tikka Masala is a rich and creamy Indian-inspired dish featuring tender chicken thighs marinated in yogurt and spices, then slow-cooked in a flavorful tomato-based sauce. Perfect for an easy weeknight meal or entertaining, it offers the bold tastes of garam masala, cumin, turmeric, and cinnamon complemented by a creamy finish with heavy cream and a hint of lemon.