INGREDIENTS

1. 4 to 6 medium-sized fish
2. 1 onion, sliced
3. 1 lemon
4. 2 tablespoons olive oil
5. 2 tablespoons vinegar
6. 1 tablespoons gross salt
7. 2 cups cassava flour 

Method:

1. Cover fish with gross salt, and leave to marinate for 2 hours or more.
2. Mix onion, lemon juice, olive oil, vinegar, and salt.
3. Grill fish. Cover with onion mixture and cassava flour. Serve.