- 7 medium garlic cloves
- 2 tablespoons salt
- 1/4 cup fresh lime juice
- 2 tablespoons olive oil
- 1 3/4 teaspoons sugar
- 1 1/4 teaspoons ground chipotle chile
- 2 (1-lb) arctic char fillets with skin (about 1 1/4 inches thick)
- Special equipment: tweezers or needlenose pliers
- Accompaniment: lime wedges
- Mince garlic and mash to a paste with salt using a large heavy knife.
- Stir together garlic paste, lime juice, oil, sugar, and chipotle chile in a small bowl until sugar is dissolved.
- Remove any bones from fish with tweezers, then pat fish dry and place, skin side down, on a plastic-wrap-lined large tray.
- Rub chile mixture all over flesh side of fish, then wrap plastic around fish and marinate at cool room temperature 15 minutes.
- While fish is marinating, prepare grill for cooking over indirect heat with medium-hot charcoal (moderately high heat for gas); see Grilling Procedure
- To cook fish using a charcoal grill: Lightly oil grill rack, then put fish, skin side down, on grill rack with no coals underneath and grill, covered with lid, 4 minutes. Using 2 metal spatulas, loosen fish from grill rack and turn fish over, rotating 180 degrees. Grill fish, covered with lid, until just cooked through, 3 to 5 minutes more, then loosen from grill rack with spatulas and transfer to a clean platter. If desired, lift skin from fish with tongs and cook skin on rack directly over coals, turning over occasionally, until lightly browned and crisp, 1 to 2 minutes, then serve over fish.
- To cook fish using a gas grill: Lightly oil grill rack, then put fish, skin side down, on rack above shut-off burner and grill, covered with lid, 4 minutes. Using 2 metal spatulas, loosen skin from grill rack and turn fish over. Grill fish, covered with lid, until just cooked through, 3 to 5 minutes more, then loosen from grill rack with spatulas and transfer to a clean platter.
- If desired, lift skin from fish with tongs and cook skin directly over a burner, uncovered, turning over occasionally, until lightly browned and crisp, 1 to 2 minutes, then serve over fish.