Blue Crab Cake Panini

Ingredients

• 3 tablespoons vegetable oil
• 1/3 cup minced celery
• 1/3 cup minced green onion, plus 1/4 cup
• 1/2 cup cracker crumbs
• 1 egg
• 2 tablespoons minced parsley
• 1 1/2 teaspoons seafood seasoning
• 1/2 teaspoon salt
• 1 pound lump Maryland blue crabmeat
• 8 semi-hard round buns
• 8 tablespoons extra-virgin olive oil
• Onion Relish, recipe follows
• Basil Sauce, recipe follows
• 2 small garlic cloves
• 1/2 cup fresh basil leaves, washed
• 3 tablespoons olive oil
• 2 tablespoons freshly grated Parmesan
• 3/4 cup mayonnaise
• Salt and freshly ground black pepper
• 1/2 cup red onion, chopped
• 1/2 tablespoon red wine vinegar
• 1/2 teaspoon chopped fresh oregano