How to make Slow Cooker Butter Chicken
1. Place tomatoes, ginger, garlic, turmeric, cayenne, smoked paprika, salt, and garam msala into a blender in the order listed. Blend until smooth.
2. Add the blended sauce to the slow cooker. Place the chicken on top of the sauce.
3. Place the lid on the slow cooker and allow everything to cook for 4-5 hours on high or 8 hours on low.