Achaari Alu or Tangy Potatoes

Name: Achaari Alu or Tangy Potatoes
Total time: 25 min
Yield: 4 servings
Ingredients: 5 potatoes; 1 onion; 2 turmeric powder; 1/2 chili powder; 1/2 sugar; 2 water; 2/3 lemon juice; 3 mustard seeds; 4 cumin seed; 1/2 nigella seeds; 1/2 salt; 1/2 asafoetida powder

Recipe card by ladyinredEditorial by recipesvibrant · Updated October 15, 2026

Vegetable Asian Indian Vegan Savory < 30 Mins

Total time

25 min

Servings

Calories

250.5

Ingredients

Makes 4 servings

5 potatoes
1 onion
2 turmeric powder
1/2 chili powder
1/2 sugar
2 water
2/3 lemon juice
3 mustard seeds
4 cumin seed
1/2 nigella seeds
1/2 salt
1/2 asafoetida powder

Method

Fry the potatoes till tender.
Remove from the pan.
Fry the onion till golden add the ginger garlic paste.
Add the tumeric, the water, lemon juice then add the chilli powder salt and sugar.
let it cook for a couple seconds then add the potatoes.
Let the potatoes absorb the water and get a little dryish.
Remove from the fire.
in a seperate pan heat the oil.
Add the mustard seeds, cumin seeds and nigella seeds.
Add the red chillies unbroken.
When the mustard seeds sputter add the hing and immediately pour over the potatoes.
Mix together and serve.

Cook's notes

Cut your potatoes into uniform 1-inch cubes to ensure they fry evenly and reach a tender texture within the 25-minute timeframe.
Toast the mustard, cumin, and nigella seeds in hot oil until they pop to fully release the essential oils that give this dish its signature 'achaari' flavor.
For the best texture, monitor the final stage closely; you want the potatoes to absorb the liquid until they are coated in a concentrated, sticky glaze rather than a watery sauce.
Pat your cubed potatoes dry with a paper towel before frying to prevent oil splatter and encourage a light, golden-brown crust.

Easy swaps

Instead of Lemon juice, use Amchur (dried mango powder)Adds an authentic tartness and earthy fruitiness characteristic of traditional Punjabi pickle spice blends.
Instead of Mustard seeds, use Yellow mustard seedsIf you find brown seeds too sharp, yellow seeds offer a milder, slightly nuttier profile.
Instead of Chili powder, use Smoked paprikaUse this swap if you prefer a subtle smoky depth over the direct heat of standard chili powder.
Instead of Sugar, use JaggeryJaggery provides a deeper, molasses-like sweetness that complements the pungent nigella seeds better than refined sugar.

Frequently asked

What is the secret to getting the authentic 'achaari' flavor?

The secret lies in the combination of nigella seeds (kalonji) and mustard seeds, which replicate the profile of traditional Indian vegetable pickles.

Do I need to peel the potatoes?

Peeling is optional. Leaving the skins on provides a rustic texture and helps the potato cubes hold their shape during the frying process.

Can I make this dish spicier?

Absolutely. You can add finely chopped green chilies along with the ginger-garlic paste for a fresh, sharp heat that cuts through the tanginess.

Why is my sauce watery instead of coating the potatoes?

If the sauce hasn't thickened, increase the heat to medium-high for the final two minutes of cooking. This evaporates the excess water, leaving a concentrated, savory coating on the potatoes.