Traditional Aloo Posto
Classic Bengali comfort dish of tender diced potatoes cooked in a velvety, nutty white poppy seed (posto) paste with green chillies and finished with cold-pressed mustard oil.
Ingredients
For the White Poppy Seed Paste (Posto Bata)
- 50 g white poppy seeds (posto / khus khus)— soaked in warm water for 30 mins
- 3 whole green chillies— ground with poppy seeds
- 4 tbsp water— for grinding to a thick paste
For the Potatoes & Cooking
- 400 g potatoes— peeled and cut into neat 3/4-inch cubes
- 1/2 tsp kalonji (nigella seeds)— tempering
- 3 whole green chillies— slit lengthwise
- 2 1/2 tbsp pure mustard oil— divided
- 0.3 tsp turmeric powder— optional, keep very pale yellow
- 1/2 tsp sugar— subtle balance
- 1 tsp salt— to taste
Cooking Instructions
- 01
Grind Poppy Seeds (Posto Bata)
⏱️ 5mDrain soaked poppy seeds and grind with 3 green chillies and minimal water in a small jar or traditional sil-nora into a thick, gritty, snow-white paste.
✓ Visual Cue: Thick, aromatic white paste with flecks of green chilli - 02
Temper Mustard Oil with Kalonji
⏱️ 5mHeat 1.5 tbsp mustard oil in a pan until lightly smoking. Add nigella seeds (kalonji) and let them crackle. Add the diced potatoes and sauté on medium heat for 4-5 minutes until potatoes are lightly glossy.
✓ Visual Cue: Aromatic nigella seeds crackle in mustard oil - 03
Cook Potatoes Tender
⏱️ 10mAdd salt, sugar, a tiny pinch of turmeric, and 3/4 cup water. Cover tightly and cook on medium-low flame for 8-10 minutes until potatoes are completely fork-tender and water has mostly evaporated.
✓ Visual Cue: Potatoes are tender and lightly glazed with moisture - 04
Fold in Posto Paste
⏱️ 4mAdd the thick poppy seed paste and 3 slit green chillies. Mix gently to coat every potato cube. Cook uncovered on low heat for 3-4 minutes until the paste thickens and clings to the potatoes.
✓ Visual Cue: Thick, creamy poppy seed coating hugs the tender potatoes - 05
The Raw Mustard Oil Finish (Kancha Tel)
⏱️ 2mTurn off the heat. Drizzle 1 tablespoon of raw mustard oil over the hot potatoes. Cover and rest for 5 minutes before serving.
✓ Visual Cue: Head-clearing, earthy, nutty fragrance fills the room
Chef's Authentic Tips
- Grinding poppy seeds finely requires soaking in warm water first so seeds soften.
- Do not overcook the posto paste; gentle heating preserves its delicate nutty freshness.
Smart Substitutions
- Can add diced ridge gourd (jhinge) to make the famous Jhinge Aloo Posto.
Serving Suggestions & Pairings
- ✓ Pair with simple Biulir Dal (fennel-tempered urad dal), hot steamed rice, and crispy fried bitter gourd (uchhe bhaja).
Estimated Nutrition
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