Xanthan Gum 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 pungent mustard oil. The posto paste is the soul of the dish, ground into a dense, opaque coating that clings to every cube of potato and delivers a nutty, mellow heat that's unlike anything else in a weeknight vegetable rotation. Mustard oil does double duty here, first blooming the nigella seeds and dried red chili to build a smoky, aromatic base, then finishing the dish raw for a sharp, grassy kick that wakes everything up. Because every ingredient is whole and unprocessed — seeds, spices, oil, potatoes — there's no need to scan labels for stabilizers or thickening agents that can sneak into packaged spice blends or sauces. The paste thickens entirely on its own as it cooks down, so the final texture is naturally rich and clingy without any additives doing the work. It's a deeply satisfying plant-based dish that proves simple, traditional cooking rarely needs anything extra to be extraordinary.
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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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