Halibut without vermouth parmesan cheddar

1 lemon , halved 1/2 cup olive oil 1 lb onion , chopped 8 large garlic cloves , chopped 3 tablespoons grated lemon peel 2 teaspoons paprika 1 1/2 teaspoons[...]

4 halibut fillets , 1 inch thick (or sea bass fillets) 1 pinch cayenne 2 tablespoons olive oil 1 garlic clove , minced 1 cup Gewurztraminer wine or 1 cup[...]