Chingri Bhapa Steamed Prawn Mustard

Method

1. 1

   Soak the mustard seeds: Place yellow and black mustard seeds together in a small bowl. Cover with 3 tbsp water. Soak for 20 minutes. Soaking softens the seeds so they grind into a smooth, creamy paste without any gritty texture remaining.

2. 2

   Grind the mustard paste: Drain the soaked seeds. Place in a small mixer jar. Add 2 green chilli and a generous pinch of salt. Add 2 tbsp fresh water. Grind for 3 minutes until a very smooth, thick, yellow-white paste forms. The paste should feel completely silky between your fingers. Taste — it will be sharp, pungent and slightly bitter. This sharpness is the defining character of this dish.

3. 3

   Add turmeric to the mustard paste: Add 1/2 tsp turmeric to the ground paste. Mix well. Add 2 tbsp mustard oil. Mix again. The paste will turn golden-yellow.

4. 4

   Marinate the prawns: Place the cleaned prawns in a wide bowl. Pour the mustard paste over the prawns. Add a pinch of sugar and a pinch of additional salt. Using your hands, mix gently until every prawn is thoroughly coated with the paste. Add the 2 slit green chilli. Marinate for 15 minutes.

5. 5

   Choose the cooking vessel: Use a heatproof bowl with a tight-fitting lid or a steel tiffin box with a clip. The vessel must seal properly — if steam escapes during bhapa cooking, the dish becomes dry.

6. 6

   Transfer to the cooking vessel: Pour the marinated prawns with all the mustard paste into the heatproof vessel. Drizzle 1 tbsp raw cold mustard oil over the top. Seal with the lid tightly.

7. 7

   Prepare the steamer: Fill a steamer pot or a large pot with 3 to 4 cups water. Place a steamer rack inside. Bring to a full rolling boil on high heat.

8. 8

   Steam the vessel: Place the sealed vessel containing the prawns on the steamer rack. Cover the steamer pot with its lid. Steam on medium-high heat for 12 to 15 minutes.

9. 9

   Check if cooked: After 12 minutes, carefully open the outer steamer lid (steam will escape — protect your hands). Wearing a cloth, open the inner vessel lid. The prawns should be pink and firm — curled into a C shape. Pierce the largest prawn — it should be opaque white all the way through. If any are still translucent, seal again and steam for 3 more minutes.

10. 10

    Serve directly from the vessel: Chingri Bhapa is served in the same vessel it was cooked in. Open the lid at the table so the fragrant steam rises as guests watch. Serve with steamed white rice, spooning the thick mustard paste sauce over the rice generously.

11. 11

    Note: Bhapa means steamed in Bengali. The bhapa technique — sealing food with a spiced paste and steaming until cooked — is used for both fish and vegetables in Bengal. Chingri Bhapa is made for special family occasions and important guests. The key is the quality of the mustard paste — it must be absolutely smooth and the mustard oil must be real and fragrant.