BHA & BHT Free Vegan Bengali Aloo Posto
This Bengali classic is pure comfort — tender Yukon Gold potatoes coated in a thick, fragrant paste of soaked white poppy seeds, green chilies, and mustard oil, finished with a final drizzle of raw mustard oil for that unmistakable pungent depth. The entire dish is built from whole, unprocessed ingredients, which means you can cook with total confidence that no synthetic preservatives have snuck into your bowl. Mustard oil does double duty here: it's tempered with nigella seeds and a dried red chili at the start to build a smoky, spiced base, then used again at the end to wake everything back up. The poppy seed paste is the soul of the recipe — soaking the seeds first and grinding them with just enough water produces a dense, opaque coating that clings to every cube of potato rather than sliding off into the pan. Cooking covered over medium-low heat lets the potatoes steam through in their own moisture while the posto thickens around them, so the final texture is silky but never greasy. It's a dish that rewards patience and a good spice grinder, and the payoff — earthy, nutty, gently spiced potatoes — is absolutely worth it.
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Learn more →Ingredients
4 servings
For the posto paste
- ½ cup white poppy seeds (posto)
- 2 green chilies, roughly chopped
- ¼ tsp salt
- 3 tbsp water, plus more as needed
For the aloo
- 1.5 lb (about 4 medium) yukon gold potatoes, peeled and cut into ¾-inch cubes
- 3 tbsp mustard oil
- ½ tsp nigella seeds (kalonji)
- 1 dried red chili
- ½ tsp turmeric
- ¾ tsp salt, or to taste
- ¼ cup water
- 1 tsp raw mustard oil, for finishing
For serving
- 1 green chili, slit lengthwise (optional)
Instructions
- 1
Place the white poppy seeds in a small bowl, cover with cold water, and soak for 30 minutes. Drain well.
- 2
Transfer the drained poppy seeds to a spice grinder or blender along with the 2 roughly chopped green chilies, 1/4 tsp salt, and 3 tbsp water. Grind to a smooth, thick paste, scraping down the sides as needed and adding water 1 tsp at a time only if the blades stall. The paste should be dense and opaque, not watery.
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