1. Rub the fish fillets on both sides with the garlic; season with salt and pepper.
2. Put the mayonnaise in a bowl, stir in the chipotles and their adobo sauce, the garlic, pepper, vinegar and salt.
3. Rub the fish fillets with the chipotle sauce.
4. Grill the fish over charcoal or fry in a saucepan with olive oil.
5. Serve with pineapple salad Pineapple Salad - Mexico.