Usuna Arna
A traditional Bengali dish where raw green mango is simmered in a sharp, pungent mustard paste. The tangy tartness of unripe mango meets the fiery kick of mustard and green chilies, creating a thin, soupy curry that awakens the palate. Best enjoyed with plain steamed rice in the sweltering summer months.
For 4 servings
- prep · ~10 min
Soak mustard seeds and make the paste.
1.Soak black mustard seeds in 2 tbsp of water for 10 minutes.2.Grind soaked mustard seeds with a pinch of salt and 2 tbsp water into a smooth, thick paste.3.Set the mustard paste aside. - prep · ~5 min
Prepare the green mango.
Peel the raw green mangoes and cut them into thin, long strips resembling matchsticks. Discard the stone.
TIPChoose mangoes that are completely firm and unripe; even a hint of ripeness will make this sweet instead of sour. - temper · ~3 min
Heat oil and bloom the spices.
1.Heat mustard oil in a saucepan over high heat until it reaches its smoking point.2.Reduce heat to low and add slit green chilies. Sauté for 15 seconds.3.Add the ground mustard paste, turmeric powder, and Kashmiri red chili powder. Stir continuously for 1 minute until fragrant.TIPHeating mustard oil to its smoking point reduces its raw pungency and makes it easier on the stomach. - simmer · ~10 min
Add mango and simmer.
1.Add the mango strips and stir to coat them well with the mustard-spice mix.2.Pour in 2 cups of water and add salt and sugar. Stir well.3.Bring the mixture to a boil, then lower the heat and simmer for 8 to 10 minutes until the mango strips soften slightly but still have a bite.TIPDo not overcook the mango strips. They should be tender-crisp, not mushy. - serve
Serve hot with steamed rice.
Transfer the Usuna Arna to a serving bowl and serve immediately with plain steamed rice. A drizzle of raw mustard oil on top is a classic Bengali touch.
What to keep in mind.
6 tips from the recipe — small details that make a real difference to the final dish.
- 1Always soak the black mustard seeds before grinding to achieve a smooth, non-bitter paste.
- 2Use a mortar and pestle or a spice grinder for the mustard paste; blenders can turn it bitter.
- 3Bring the mustard oil to its smoking point and let it cool slightly before adding chilies to avoid scorching.
- 4Taste a piece of raw mango before cooking; if too fibrous or sour, adjust sugar accordingly.
- 5Simmer uncovered if you prefer a thicker gravy; cover for a soupier consistency.
- 6For the best texture, slice mango strips evenly so they cook at the same rate.
Adapt it for your goals.
Low-oil
Reduce mustard oil to 1 tablespoon and skip the final drizzle. The dish will be lighter and less pungent, suitable for those watching fat intake.
sweet tangySweet-tangy
Increase sugar to 2 teaspoons and add a pinch of roasted cumin powder. This variation mellows the sourness and adds warmth for a more balanced, kid-friendly version.
veganVegan
Usuna Arna is naturally vegan. Just ensure the sugar used is organic cane sugar (not bone-char processed) to keep it fully plant-based.
extra herbyExtra-herby
Add 1 tablespoon of fresh chopped coriander leaves and 1 teaspoon of grated ginger while simmering. This brightens the dish with fresh, aromatic notes.
Why this is on our healthy list.
Rich in Vitamin C
Raw green mango is an excellent source of vitamin C, which supports immune function and collagen production.
Digestive Aid
The natural tartness of raw mango stimulates digestive enzymes, helping to beat sluggish digestion especially during hot weather.
Anti-Inflammatory Spices
Mustard seeds, turmeric, and mustard oil all contain compounds with anti-inflammatory properties that support joint and heart health.
Frequently asked questions
Yes, but black mustard seeds are more pungent and traditional. Yellow seeds will produce a milder, slightly sweeter paste — adjust the amount to taste.
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