1. Hairy tongue.
2. Put it in water to thaw.
3. Put oil, chopped green onion and pepper in the pot until fragrant. Fried on both sides, add water, vinegar, and cooking wine.
4. Add soy sauce, cover the pot and simmer.
5. Collect the juice and add some green onion leaves to enhance the flavor.
6. Serve, ready to eat.
