Here are the key steps to prepare Vietnamese snail dishes like "oc len xao dua" and "bun rieu cua oc":

Ingredients to buy ahead:

- Live snails (petit-gris or similar edible snail variety). Clean and purge the snails by keeping them in a container of cornmeal for a few days to purge out impurities.

- Coconut milk

- Lemongrass, garlic, shallots, ginger, chili peppers

- Fish sauce, lime juice, sugar

- Rice noodles, bean sprouts, mint, cilantro for bun rieu cua oc

Steps:

1. Rinse and boil the snails for a few minutes until they emerge from their shells. Discard water. Remove snails from shells.

2. Chop aromatics like lemongrass, garlic, shallots, ginger and chili. Saute in oil until fragrant.

3. Add snail meat, coconut milk, fish sauce, lime juice and sugar. Simmer for a few minutes until slightly thickened. Serve over rice or noodles.

4. For bun rieu cua oc, add broth to the snail coconut curry, top with noodles, bean sprouts, herbs and fried shallots.

Let me know if you have any other questions! Snail dishes can be really delicious when prepared well with fresh ingredients. Enjoy!
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence