Best Recipes Using Mustard Oil (Indian Cooking Guide)

Mustard oil holds a place in Indian kitchens that few other cooking fats can match. Pungent, golden, and slightly sharp on the nose when raw, it mellows into a warm, nutty depth once heated — transforming everyday vegetables, fish, and lentils into dishes with unmistakable character. From the mustard fields of Punjab and Haryana to the fish curries of Bengal and the pickles of Uttar Pradesh, this oil is woven into the culinary identity of eastern and northern India in a way that no substitute quite replicates.

This guide walks through what makes mustard oil special, how to use it correctly, and a curated collection of some of the best recipes that put it to good use — from humble everyday sabzis to festival specialties and long-lasting pickles.

Why Mustard Oil Is a Kitchen Essential in India

Mustard oil is cold-pressed or expeller-pressed from mustard seeds, and it carries a distinctive pungency that comes from a compound called allyl isothiocyanate. This same compound is responsible for the oil's slightly sinus-clearing aroma when it's heated — a smell many Indians associate instantly with home cooking.

A few reasons mustard oil remains a staple:

Flavor transformation through heating. Raw mustard oil is sharp and biting, but heating it until it reaches its smoking point mellows the pungency and develops a nutty, savory undertone that enhances rather than overpowers other ingredients. This is why almost every traditional recipe insists on heating the oil until it smokes lightly before adding anything else.

High smoke point. Mustard oil has a smoke point of around 250°C (480°F), which makes it well suited to the high-heat frying, tempering (tadka), and searing techniques common in Indian cooking.

Natural preservative qualities. The same pungent compounds that give mustard oil its bite also act as a natural preservative, which is why it's the oil of choice for Indian pickles (achaar) that need to last months without refrigeration.

Regional identity. In Bengali, Odia, Bihari, and Assamese cuisine, mustard oil isn't optional — it's foundational. Fish curries, vegetable mashes (bhortas), and rice dishes all lean on it for their signature taste.

Nutritional profile. Mustard oil is relatively low in saturated fat and contains a favorable ratio of omega-3 to omega-6 fatty acids compared to many other cooking oils, along with vitamin E and antioxidant compounds.

A quick safety note: raw, unheated mustard oil should generally be used only in small quantities (as in some pickles or finishing drizzles), and in some countries mustard oil is sold labeled "for external use only" due to erucic acid content — but food-grade, cold-pressed mustard oil is a normal, everyday cooking oil across much of India. When in doubt, buy oil specifically labeled for culinary use in your region.

How to Use Mustard Oil Correctly

Before diving into recipes, it helps to understand the two ways mustard oil is typically used:

1. Heated until smoking, then cooled slightly — this is the standard method for curries, stir-fries, and most cooked dishes. Heat the oil in a pan until it just begins to smoke, then either let it cool for 20–30 seconds before adding whole spices, or add ingredients immediately if a sharper flavor is desired.
2. Used raw or lightly warmed — for certain pickles, chutneys, and bhortas (mashed vegetable dishes), a small amount of raw mustard oil is stirred in at the end for its pungent bite and glossy finish.

With that foundation, here are the best recipes to explore.

1. Bengali Shorshe Ilish (Hilsa Fish in Mustard Gravy)

Perhaps the most iconic mustard-oil dish in all of Indian cuisine, shorshe ilish pairs hilsa fish with a paste of yellow and black mustard seeds, green chilies, and mustard oil itself — doubling down on that signature pungency.

Ingredients:

• 4–6 pieces hilsa fish (or substitute with pomfret or mackerel)
• 3 tablespoons yellow mustard seeds
• 1 tablespoon black mustard seeds
• 4–5 green chilies
• 1 teaspoon turmeric powder
• Salt to taste
• 4–5 tablespoons mustard oil
• 1 teaspoon nigella seeds (kalonji)
• Water as needed

Method: Soak the mustard seeds in warm water for 20–30 minutes, then grind them with 2 green chilies, a pinch of salt, and a little water into a smooth paste. Straining the paste through a fine sieve removes any bitterness from the seed husks. Rub the fish pieces with turmeric and salt and let them rest.

Heat mustard oil in a kadai (wok) until it smokes lightly, then reduce the heat slightly and shallow-fry the fish pieces for about a minute per side — just enough to firm them up, not cook through. Remove and set aside. In the same oil, temper with nigella seeds, then add the mustard paste along with a little water, turmeric, and salt. Simmer for 5–6 minutes until the raw smell disappears. Slide the fried fish back in, add slit green chilies, and simmer for another 5 minutes. Finish with a teaspoon of raw mustard oil for extra pungency before serving with steamed rice.

2. Sarson Ka Saag (Mustard Greens with Cornmeal Flatbread)

A Punjabi winter classic, sarson ka saag uses mustard greens as the star vegetable, but it's the tempering of mustard oil at the end that ties the whole dish together.

Ingredients:

• 500g mustard greens (sarson), chopped
• 150g spinach
• 50g bathua (chenopodium) or extra spinach
• 2 green chilies
• 1-inch ginger
• 4 tablespoons maize flour (makki ka atto)
• Salt to taste
• 2 tablespoons mustard oil
• 1 onion, finely chopped
• 4 cloves garlic, minced
• 1 tomato, chopped
• A knob of white butter (makhan) for serving

Method: Boil the mustard greens, spinach, and bathua with green chilies and ginger until soft — about 20–25 minutes. Blend into a coarse paste using a hand blender, keeping some texture. Return to the pot, stir in the maize flour to thicken, and simmer for another 10 minutes, adding salt.

For the tempering, heat mustard oil in a small pan until it smokes, then sauté the chopped onion until golden, followed by garlic and tomato, cooking until the raw smell disappears. Pour this tempering over the saag and mix well. Serve hot with makki ki roti and a generous dollop of white butter — the smokiness of the mustard oil is what makes this dish unforgettable.

3. Aloo Posto (Potatoes in Poppy Seed Paste)

A Bengali comfort food staple, aloo posto is a simple potato dish cooked in mustard oil with a poppy seed paste, best eaten with plain rice and a squeeze of lime.

Ingredients:

• 4 medium potatoes, cubed
• 3 tablespoons poppy seeds (posto)
• 2–3 green chilies
• 1/2 teaspoon nigella seeds
• 1/2 teaspoon turmeric powder
• Salt to taste
• 4 tablespoons mustard oil

Method: Soak poppy seeds in warm water for 30 minutes, then grind into a smooth paste with one green chili. Heat mustard oil in a pan until it smokes, then temper with nigella seeds. Add the cubed potatoes, turmeric, and salt, and sauté for 5–6 minutes until lightly browned at the edges.

Pour in the poppy seed paste along with a splash of water, cover, and cook on low heat for 12–15 minutes until the potatoes are fully tender and the paste clings to them. Slit the remaining green chilies and stir in near the end. A final drizzle of raw mustard oil just before serving adds an extra layer of sharpness that pairs beautifully with steamed rice.

4. Punjabi Sarson Wale Aloo (Mustard Oil Tempered Potatoes)

Different from sarson ka saag, this is a dry, tangy potato preparation where mustard oil and whole spices do all the heavy lifting — a quick weeknight side dish.

Ingredients:

• 4 medium potatoes, boiled and cubed
• 3 tablespoons mustard oil
• 1 teaspoon cumin seeds
• 1/2 teaspoon mustard seeds
• A pinch of asafoetida (hing)
• 1 teaspoon turmeric powder
• 1 teaspoon red chili powder
• 1 teaspoon amchur (dry mango powder) or lemon juice
• Salt to taste
• Chopped coriander for garnish

Method: Heat mustard oil in a pan until it smokes and mellows slightly. Add cumin seeds, mustard seeds, and asafoetida, letting them sputter for a few seconds. Add the boiled potato cubes, turmeric, chili powder, and salt, tossing gently so the potatoes are evenly coated without breaking apart.

Sauté on medium heat for 6–8 minutes until the potatoes develop a light golden crust. Sprinkle amchur powder, toss once more, and garnish with fresh coriander. This dish comes together in under 20 minutes and works equally well as a side or a stuffing for parathas.

5. Machher Jhol (Bengali Fish Curry)

A lighter, everyday alternative to shorshe ilish, machher jhol is a thin, turmeric-forward fish curry that Bengali households make almost weekly — and mustard oil is what gives it its characteristic aroma.

Ingredients:

• 500g rohu or katla fish, cut into pieces
• 1 teaspoon turmeric powder (for marinating)
• 4 tablespoons mustard oil
• 1 teaspoon panch phoron (Bengali five-spice blend)
• 1 potato, cut into wedges
• 1 tomato, chopped
• 1 teaspoon ginger paste
• 1 teaspoon cumin powder
• 1/2 teaspoon turmeric powder
• 1/2 teaspoon red chili powder
• Salt to taste
• 2 cups water
• Fresh coriander and green chilies for garnish

Method: Marinate the fish pieces with turmeric and salt for 15 minutes. Heat mustard oil in a kadai until it smokes, then fry the fish pieces lightly on both sides until they firm up. Remove and set aside, keeping the oil in the pan.

In the same oil, temper with panch phoron until fragrant, then add the potato wedges and fry for 2–3 minutes. Add ginger paste, tomato, cumin, turmeric, and chili powder, cooking until the tomatoes soften and the oil begins to separate at the edges. Pour in water, bring to a boil, and simmer until the potatoes are nearly cooked. Slide in the fried fish, add slit green chilies, and simmer for another 5–6 minutes. Garnish with coriander and serve with steamed rice.

6. Kasundi (Bengali Mustard Sauce/Pickle)

Kasundi is a fermented mustard sauce, often described as the Bengali cousin of Dijon mustard, and it's traditionally made using mustard oil as both an ingredient and a preservative.

Ingredients:

• 1 cup mustard seeds (mix of black and yellow)
• 4–5 green mangoes, peeled and chopped (for the traditional aam kasundi variation) or skip for plain kasundi
• 5–6 green chilies
• 1/2 cup mustard oil
• Salt to taste
• 1 tablespoon vinegar
• Turmeric powder, a pinch

Method: Soak the mustard seeds overnight, then grind them with green chilies, salt, turmeric, and a little water into a smooth paste. If making the mango variation, blend the chopped raw mango in as well. Transfer the paste to a wide bowl, mix in mustard oil and vinegar thoroughly, and cover with a muslin cloth.

Place the bowl in direct sunlight for 3–4 days, stirring once daily, allowing natural fermentation to develop the sauce's characteristic tang. Once the raw pungency has softened into a more rounded, tangy flavor, transfer to a sterilized glass jar. Kasundi keeps for months when refrigerated and is traditionally eaten with fried fish, as a dip for vegetables, or stirred into rice.

7. Odia Dahi Baigana (Eggplant in Yogurt-Mustard Gravy)

This Odisha specialty pairs roasted eggplant with a yogurt and mustard paste gravy, delivering a tangy, slightly pungent dish that's distinct from the more familiar baingan bharta.

Ingredients:

• 2 large eggplants
• 1 cup yogurt, whisked
• 2 tablespoons mustard seeds, soaked and ground into paste
• 2 green chilies
• 1/2 teaspoon turmeric powder
• Salt to taste
• 3 tablespoons mustard oil
• 1/2 teaspoon panch phoron
• 2 dried red chilies

Method: Roast the eggplants directly over a flame or in the oven until the skin is charred and the flesh is soft. Peel and mash roughly, keeping some texture. Heat mustard oil in a pan until it smokes, then temper with panch phoron and dried red chilies.

Add the mashed eggplant, turmeric, and salt, sautéing for 4–5 minutes. Lower the heat and stir in the whisked yogurt along with the mustard paste, being careful not to let it curdle — keep the flame low and stir continuously. Simmer for another 5 minutes until the flavors meld. Garnish with slit green chilies and serve with steamed rice.

8. Mustard Oil Tempered Dal (Bengali-Style Masoor Dal)

A simple lentil preparation where mustard oil replaces the usual ghee tempering, giving the dal an entirely different, more rustic character.

Ingredients:

• 1 cup red lentils (masoor dal)
• 1/2 teaspoon turmeric powder
• Salt to taste
• 3 cups water
• 2 tablespoons mustard oil
• 1 teaspoon nigella seeds
• 2 dried red chilies
• 2 cloves garlic, sliced
• 1 onion, finely sliced
• 2 tomatoes, chopped

Method: Cook the lentils with turmeric, salt, and water until soft and slightly mushy, about 15–20 minutes. In a separate small pan, heat mustard oil until it smokes, then temper with nigella seeds and dried red chilies. Add garlic and onion, frying until golden brown, then add the chopped tomatoes and cook until softened.

Pour this tempering over the cooked dal and simmer together for 5 minutes so the flavors combine. This dal has a noticeably sharper, more savory profile than the typical ghee-tempered version and pairs particularly well with plain rice and a wedge of lime.

9. Aam Panna Achaar-Style Mustard Oil Pickle (Mixed Vegetable Achaar)

No discussion of mustard oil recipes is complete without a pickle, since mustard oil's preservative qualities make it the traditional base for Indian achaar.

Ingredients:

• 2 cups mixed vegetables (carrots, cauliflower, green chilies, turnips), cut into pieces
• 1/2 cup mustard oil
• 2 tablespoons mustard seeds, coarsely crushed
• 1 tablespoon fennel seeds
• 1 tablespoon fenugreek seeds
• 1 tablespoon red chili powder
• 1 teaspoon turmeric powder
• 1/2 teaspoon asafoetida
• Salt to taste
• 2 tablespoons vinegar

Method: Sun-dry the cut vegetables on a clean cloth for a full day to remove excess moisture, which helps the pickle last longer. Heat mustard oil until it smokes, then let it cool completely — this step is important, since adding spices to overly hot oil can burn them.

Once cooled, mix the oil with crushed mustard seeds, fennel seeds, fenugreek seeds, red chili powder, turmeric, asafoetida, and salt. Add the dried vegetables and vinegar, mixing thoroughly so every piece is coated. Transfer to a sterilized glass jar, ensuring the vegetables are fully submerged in oil, and let it sit in sunlight for 5–7 days, shaking the jar daily. The pickle will keep for several months at room temperature, developing more flavor with age.

10. Bhapa Ilish (Steamed Hilsa in Mustard Paste)

A more delicate cousin of shorshe ilish, bhapa ilish steams the fish gently in a mustard-yogurt marinade rather than simmering it in gravy, resulting in a softer, more nuanced dish.

Ingredients:

• 4–6 pieces hilsa fish
• 3 tablespoons mustard seeds, soaked and ground into paste
• 2 tablespoons yogurt
• 1/2 teaspoon turmeric powder
• 3–4 green chilies, slit
• Salt to taste
• 4 tablespoons mustard oil
• 1 tablespoon coconut, grated (optional)

Method: Mix the mustard paste, yogurt, turmeric, salt, and mustard oil into a smooth marinade, adding grated coconut if using for a slightly sweeter balance. Coat the fish pieces thoroughly in this marinade and let them rest for 15–20 minutes.

Transfer the marinated fish to a heatproof bowl, top with slit green chilies and a final drizzle of raw mustard oil, then cover tightly with a lid or foil. Steam the bowl over simmering water (or in a pressure cooker without the whistle, for about 15 minutes) until the fish is cooked through and the mustard paste has thickened into a light coating. Serve immediately with steamed rice — the steaming method keeps the mustard flavor bright rather than mellowed by prolonged cooking.

Tips for Cooking with Mustard Oil

Always heat it first. Except in raw applications like some pickles or a finishing drizzle, mustard oil should be heated until it smokes lightly and then allowed to cool slightly before use. This step is what converts its sharp, raw bite into a rounded, nutty flavor.

Pair it with the right spices. Mustard oil has a natural affinity for panch phoron, nigella seeds, mustard seeds, and turmeric — spice combinations common across Bengali and Odia cooking.

Balance pungency with acidity or dairy. Dishes like dahi baigana show how yogurt tempers the sharpness of mustard oil, while a squeeze of lime at the end of a fish curry can brighten the dish without dulling the oil's character.

Use it for pickling. Because of its natural preservative properties, mustard oil is ideal for pickles meant to last months at room temperature — just be sure to heat and cool the oil before mixing it with spices, and keep vegetables fully submerged.

Buy quality, food-grade oil. Look for cold-pressed or kachi ghani mustard oil, which retains more of the flavor compounds that make these dishes distinctive. Store it in a cool, dark place, as it can turn rancid faster than more refined oils.

Final Thoughts

Mustard oil isn't just a cooking medium — in Bengali, Odia, Punjabi, and Bihari kitchens, it's a flavor ingredient in its own right, as essential to the identity of a dish as the vegetables or fish it's cooked with. Whether you're simmering hilsa in a fiery mustard gravy, tempering a bowl of dal, or laying down a jar of pickle to mature over a week of sunlight, mustard oil brings a warmth and pungency that ghee, refined oil, or butter simply can't replicate.

If you've never cooked with it before, start small — a simple aloo posto or a tempered dal is a gentle introduction to its flavor. From there, the more assertive dishes like shorshe ilish or kasundi will make a lot more sense, and you'll likely find yourself reaching for the mustard oil bottle far more often than you expected.