Dinner · Part 2 of 3: Instructions
Easy Slow Cooker Butter Chicken Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before starting, ensure all chicken thighs are trimmed of any excess fat and cut into uniform, bite-size pieces. This preparation step is crucial for even cooking. Have all spices measured out in a small ramekin for easy sprinkling.
Keep the slow cooker insert clean and ready on a stable surface. Ensure the tomato sauce and coconut milk are at room temperature to help the slow cooker reach the appropriate temperature more efficiently, and make sure all equipment is within easy reach on the counter.
Ingredients at a glance (7)
- 2 lb boneless skinless chicken thighs, cut into bite-size pieces
- 1 cup yellow onion, diced
- 4 tbsp unsalted butter, cut into pats
- 1 tbsp garam masala
- 1 tbsp curry powder
- 1 cup tomato sauce
- 1 cup full-fat coconut milk
Instructions
Assembly Phase
- Assemble the ingredientsPlace the bite-size chicken thigh pieces into the bottom of the slow cooker insert. Scatter the diced onion over the chicken pieces and distribute the pats of butter evenly across the top.Look for Ensure the chicken is evenly distributed in the bottom of the insert to allow for uniform cooking throughout the slow cooker.Tip Using chicken thighs ensures the meat stays succulent and tender during the long cooking process compared to leaner breast meat.
At the end of this phase, the slow cooker insert should contain a neatly layered base of chicken, onions, and butter. The chicken pieces should be spread out to cover the bottom of the pot, creating a solid foundation for the subsequent ingredients.
Ensure that the onion is scattered evenly to distribute its flavor throughout the dish as it softens. Check that the insert is properly seated in the slow cooker base before proceeding to add the liquid components.
Seasoning Phase
- Season and pourSprinkle the garam masala and curry powder directly over the chicken, onion, and butter. Pour the tomato sauce and coconut milk over the mixture to cover the ingredients.Look for The sauce should partially submerge the chicken and spices, creating a fragrant base for the curry to develop as it cooks.Tip Mixing the spices directly ensures they infuse the sauce thoroughly as the butter melts and combines with the tomato and coconut liquids.
The slow cooker should now be filled with the spice-dusted chicken and topped with the tomato and coconut liquids. The spices should be clearly visible on the surface before you cover the pot. Ensure the lid is securely in place, as this is vital for trapping the steam and heat required for the braising process. Check that the slow cooker is plugged in and set to the low setting, as this is the optimal heat for this recipe.
Cooking Phase
- Slow cook and serveCover and cook on low for 4 hours until the chicken is tender and reaches an internal temperature of 165°F (74°C). Allow the dish to rest for at least 5 minutes before serving.Look for The sauce will thicken into a creamy, orange-hued curry consistency, and the chicken will be fork-tender.Safe temperature 165°F (74°C) internal temperature (poultry)Tip If the sauce seems too thin after cooking, stir gently to incorporate the rendered fats and juices, which will naturally thicken the emulsion.
The final phase is complete when the kitchen is filled with the rich aroma of aromatic spices and the chicken has reached the safe internal temperature of 165°F (74°C). The sauce should have reduced slightly and appear glossy and thick. Before serving, give the mixture a gentle stir to fully combine the creamy sauce with the tender chicken. The dish is now ready to be portioned into bowls for immediate service while hot.
Common mistakes
A common mistake is using chicken breast instead of thighs, which can lead to dry, stringy meat after long cooking times; always opt for thighs for the best texture. Another error is over-thickening the sauce unnecessarily; allow the natural fats from the butter and coconut milk to emulsify properly rather than adding thickeners.
Finally, avoid lifting the lid frequently during the cooking process, as this releases heat and moisture, which can significantly increase the required cooking time and result in unevenly cooked chicken.
How to tell it’s done
The dish is considered done when the chicken is fork-tender and pulls apart easily with minimal effort. Using a digital meat thermometer, verify that the thickest pieces of chicken have reached an internal temperature of at least 165°F (74°C).
The sauce should be thick, creamy, and have a vibrant orange color. If the chicken is not yet tender, continue cooking for an additional 30 minutes, checking the temperature again to ensure food safety standards are met.
- Poultry: 165°F (74°C) in the thickest part
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)