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The Ultimate Slow Cooker Indian Butter Chicken

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Butter Chicken. You know the one.

That ultra-creamy, deeply spiced, tomato-rich curry you order every single time because you can’t risk disappointment. Tender chicken, silky sauce, naan on standby to mop up every last drop.

Now here’s the kicker — this version is made in the slow cooker.

Yes. All that lush, restaurant-style flavour… without hovering over a stove, without complicated steps, without a mile-long ingredient list. Just layer, stir, walk away — and come back to a pot of buttery, fragrant magic that tastes like it simmered all day.

And that sauce? It’s the kind you’ll be scraping from the bottom of the bowl.

For Butter Chicken

  • Chicken – Boneless, skinless chicken breasts are used here for lean, tender pieces that soak up all that rich sauce beautifully.
  • Yellow Onions – Sliced and layered on the bottom to create a flavorful base as they soften and sweeten while cooking.
  • Red Bell Pepper – Adds subtle sweetness and a pop of color to balance the warm spices.
  • Carrots – Bring natural sweetness and a little texture to the sauce.
  • Garlic and Fresh Ginger – The flavor foundation. These two build that signature aromatic depth butter chicken is known for.
  • Curry Powder – Delivers warmth and complexity in one simple spoonful.
  • Garam Masala – A fragrant spice blend that adds that unmistakable cozy, slightly sweet-spiced finish.
  • Tomato Sauce and Tomato Paste – Create the rich, tomato-forward base of the curry.
  • Lemon Juice – A small squeeze brightens and balances the richness.
  • Salt – Enhances and ties all the flavors together.
  • Salted Butter – Melted into the sauce for that classic buttery richness.

For the Creamy Finish

  • Plain Greek Yogurt – Stirred in at the end for tang and creaminess. Let the mixture cool slightly before adding to prevent curdling.
  • Half-and-Half – Adds extra silkiness and rounds out the sauce for that smooth, luscious texture.

For Serving (Optional but Highly Recommended)

  • White Rice or Cauliflower Rice – The perfect base for soaking up every drop of sauce.
  • Naan – Ideal for scooping and mopping.
  • Fresh Cilantro – Adds brightness and a fresh finish.
  • Lime Wedges – A squeeze at the end lifts the entire dish.
  • Toasted Sesame Seeds – For a subtle nutty crunch.

The Ultimate Slow Cooker Indian Butter Chicken

Make this comforting takeout classic right in your own kitchen with minimal effort. The slow cooker does most of the work, leaving you with tender chicken in a rich, warmly spiced tomato sauce.
Print Pin
Course: Main Course
Cuisine: Indian
Keyword: The Ultimate Slow Cooker Indian Butter Chicken
Prep Time: 20 minutes
Cook Time: 4 hours 30 minutes
Total Time: 4 hours 50 minutes
Servings: 6

Notes

Ingredients

  • 2 medium yellow onions, peeled, cut in half and sliced (~13 oz)
  • 2 lbs boneless skinless chicken breast, cubed
  • 1 medium red bell pepper, diced
  • 3 medium carrots, diced (5–6 oz)
  • 1 (15-oz) can tomato sauce
  • 1 (6-oz) can tomato paste
  • Juice of ½ lemon
  • 2 garlic cloves, minced
  • 1 tablespoon minced fresh ginger (~2-inch piece)
  • 3 tablespoons curry powder
  • 2 teaspoons garam masala (seasoning that usually combines cardamom, cinnamon, cloves, ground cumin, black pepper, and coriander)
  • ½ teaspoon fine salt
  • 1 tablespoon salted butter, chilled and cut into pieces*
  • ½ cup plain Greek yogurt (whole, low-fat, or fat-free)
  • ½ cup half-and-half
Optional for serving: cooked white rice or cauliflower rice, naan, chopped fresh cilantro, lime wedges, and/or toasted sesame seeds

Instructions

Slow Cooker Directions

  1. Arrange the sliced onions in an even layer across the bottom of a 6-quart or 8-quart slow cooker.
  2. In a large mixing bowl, combine the cubed chicken, bell pepper, carrots, tomato sauce, tomato paste, lemon juice, garlic, ginger, curry powder, garam masala, and salt. Mix until everything is evenly coated.
  3. Spoon the chicken mixture over the onions in the slow cooker.
  4. Scatter the butter pieces over the top.
  5. Cover and cook on high for 4 ½ hours or on low for 6 ½ hours.
  6. Once cooking is complete, remove the lid and stir thoroughly. Turn off the slow cooker.
  7. Allow the mixture to stop bubbling and release excess steam for about 5–10 minutes. Then stir in the yogurt and half-and-half. (Adding them too soon may cause curdling.)
  8. Serve over hot rice or cauliflower rice, alongside naan if desired. Garnish with cilantro and toasted sesame seeds.

Stovetop Directions

  1. Set a large pot or Dutch oven over medium-high heat. Add 2 teaspoons olive oil and swirl to coat the bottom.
  2. Add the onions, bell pepper, and carrots. Cook for 7–8 minutes, stirring occasionally, until softened.
  3. Stir in the chicken, spices, tomato sauce, tomato paste, and 1 cup water.
  4. Place the butter pieces on top of the mixture and cover with a lid.
  5. Simmer for about 20 minutes, or until the chicken is fully cooked.
  6. Remove the lid, stir well, and turn off the heat.
  7. Let the mixture cool for 5–10 minutes until it is no longer actively simmering. Stir in the yogurt and half-and-half. (Cooling slightly helps prevent curdling.)
  8. Serve as desired with rice or naan and finish with garnishes.

Instant Pot Directions

  1. Add the onions, chicken, bell pepper, carrots, tomato sauce, tomato paste, lemon juice, garlic, ginger, curry powder, garam masala, salt, and butter to the inner pot. Stir to combine.
  2. Pour in ½ cup water and mix again, ensuring there is some liquid at the bottom of the pot.
  3. Secure the lid and set to cook on high pressure for 10 minutes.
  4. When the timer ends, perform a quick pressure release and carefully remove the lid. Stir to release excess steam.
  5. Let the butter chicken rest in the pot for 10–15 minutes, stirring occasionally to help it cool. (This step is important to keep the yogurt from curdling.)
  6. Once slightly cooled, stir in the yogurt and half-and-half.
  7. Serve over rice or cauliflower rice with naan and your favorite toppings.
Notes
  • Letting the mixture cool briefly before adding the yogurt is key to maintaining a smooth, creamy sauce. If curdling occurs, it’s still safe to eat, though the texture may change.
*For a dairy-free version, some cooks substitute vegan butter for the salted butter, coconut milk yogurt for the Greek yogurt, and full-fat coconut milk for the half-and-half.
 
Nutrition
Calories: 298kcal | Carbohydrates: 21g | Protein: 38g | Fat: 6g | Saturated Fat: 3g | Cholesterol: 99mg | Sodium: 415mg | Fiber: 4g | Sugar: 13g
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1. Can I use chicken thighs instead of chicken breasts?

Absolutely.

Boneless, skinless thighs work beautifully and stay extra juicy. Use what your family prefers — both turn out tender and flavorful.

2.Can I prep this ahead of time?

Yes, and it reheats like a dream.

You can make it a day ahead and store it in the fridge. The flavors actually deepen overnight. Just reheat gently and stir before serving.

3.Is this recipe very spicy?

Nope — it’s mild and family-friendly.

If you love heat, you can add a pinch of chili flakes or cayenne. If you’re cooking for kids, it’s perfectly balanced as written.

4.What’s the best way to serve it?

Something that soaks up that sauce.

White rice, cauliflower rice, or warm naan are all perfect. You don’t want to waste a single drop of that buttery, spiced goodness.

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