For those busy days when you don't have time to stand over the stove, this slow cooker chicken tikka masala recipe is a lifesaver. Simply marinate the chicken, then place it in the slow cooker along with the sauce ingredients. Let it cook on low for several hours, allowing the flavors to meld together and the chicken to become tender. The result is a delicious and fuss-free meal that requires minimal effort. Serve it with rice or naan bread for a satisfying dinner.