Achar is the Hindi word for pickle, and Achari Chicken is a flavorful chicken curry inspired by the bold, tangy, and slightly bitter spices used in Indian pickling.
What makes this dish distinctive is the use of classic pickling spices:
- Mustard seeds for sharp pungency
- Fenugreek seeds (methi) for a subtle bitterness
- Nigella seeds (black cumin seeds or kalonji) for an onion-like depth
Together, these create a complex, layered flavor that stands apart from typical onion tomato curries.

Using Mustard Oil for Cooking
Traditionally, Achari Chicken is cooked in mustard oil, which adds a signature pungent aroma and depth of flavor.
In this recipe, mustard oil is substituted with a neutral cooking oil (such as vegetable oil). While mustard oil is widely used in Indian cooking, it is often labeled “for external use only” in the U.S. due to regulatory restrictions.
If you do have access to food-grade mustard oil and are comfortable using it, you can substitute it directly for a more authentic flavor.
The Recipe
This recipe follows a classic North Indian cooking sequence:
- Bloom whole spices in hot oil
- Build a base with aromatics and onions
- Cook down tomatoes until the oil separates
- Add powdered spices
- Cook the chicken
- Finish with a creamy element
Traditionally, yogurt is used for the gravy version of Achari Chicken. In this variation, coconut milk is used instead—bringing a subtle sweetness and balance, inspired by the flavor profiles of Thai curries.
For best results, pay attention to the stage where the whole spices begin to sizzle—this is key to unlocking their flavor. (See my detailed guide on sizzling cumin seeds for more on this technique.)
Enjoy with steamy Basmati Rice!


Achari Chicken
Ingredients
- 2 tbsp Cooking Oil
- 1.5 pounds Chicken Breast cubed
- 1 cup Onion thinly sliced
- 1/2 cup Tomatoes crushed or grated
- 3/4 cup Coconut Milk
- 1 tbsp Ginger-Garlic Paste
- 1-2 Green Chilies chopped
- 3/4 tsp Salt adjust to taste
- 1/2 tsp Cumin Seeds jeera
- 1/2 tsp Mustard Seeds
- 1/2 tsp Nigella Seeds also known as Black Cumin Seeds or kalonji
- 8-10 Fenugreek Seeds methi seeds
- 1/2 tsp Fennel Seeds saunf
- 1 tsp Dried Fenugreek Leaves kasoori methi
- 1/4 tsp Asafetida
- 1 tsp Coriander Powder
- 1/4 tsp Turmeric
- 1/2 tsp Red Chili Powder can substitute with Paprika
Method
- Bloom whole spices: Heat oil in a thick-bottomed pan over medium-low heat. Add cumin seeds, mustard seeds, fennel seeds, fenugreek seeds, nigella seeds, and asafetida.2 tbsp Cooking Oil, 1/2 tsp Cumin Seeds, 1/2 tsp Mustard Seeds, 1/2 tsp Nigella Seeds, 8-10 Fenugreek Seeds, 1/4 tsp Asafetida, 1/2 tsp Fennel Seeds

- Add aromatics: Add ginger-garlic paste and green chilies.1 tbsp Ginger-Garlic Paste, 1-2 Green Chilies

- Stir continuously and cook until the the paste turns lightly golden (about 1 minute).

- Add the sliced onions and raise the heat to medium.1 cup Onion

- Cook the onions until they turn light brown; about 6-8 minutes.

- Add tomatoes and cook until softened and the oil begins to separate (8–10 minutes).1/2 cup Tomatoes

- Add powdered spices: Add coriander powder, turmeric powder, Kashmiri red chili powder, and salt. Cook for about 1 minute.1 tsp Coriander Powder, 1/4 tsp Turmeric, 1/2 tsp Red Chili Powder, 3/4 tsp Salt

- Add chicken: Add chicken pieces and cook on medium heat.1.5 pounds Chicken Breast

- Cook the chicken: Cook until the chicken pieces are fully cooked (10–12 minutes).

- Finish: Add coconut milk and dried fenugreek leaves and mix well.3/4 cup Coconut Milk, 1 tsp Dried Fenugreek Leaves

- Simmer for a few minutes and Achari Chicken is ready.








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