Bringing this amazing Slow Cooker Indian Butter Chicken together is a straightforward process. Follow these steps to create your culinary masterpiece:

1. Prep Chicken: Cut the boneless chicken into bite-sized pieces and set aside.
2. Sauté Aromatics: In a skillet over medium heat, melt 2 tablespoons of butter. Add the chopped onion, sautéing until it becomes translucent.
3. Add Garlic and Ginger: Stir in minced garlic and grated ginger. Cook for an additional 2 minutes until fragrant.
4. Spice it Up: Mix in the garam masala, cumin, coriander, turmeric, and chili powder, cook for 1-2 minutes to release the spices’ fragrances.
5. Combine Ingredients in Slow Cooker: Transfer the sautéed mixture into the slow cooker. Add the chicken pieces, crushed tomatoes, coconut milk or heavy cream, and remaining butter. Mix well.
6. Season: Sprinkle with salt to taste and give it another stir.
7. Cook: Cover the slow cooker and set it to cook on low for about 6-8 hours or high for 4 hours.
8. Finish Up: Once done, stir the sauce gently and adjust seasoning. The chicken should be tender and coated in a creamy sauce.
9. Garnish and Serve: Sprinkle fresh cilantro to garnish before serving.

By following these steps, you’ll be able to prepare an incredible dish that’s bursting with flavor, all thanks to the magic of slow cooking!