Bacon Crab Melt Panini Recipe

Ingredients

• 4 tablespoons mayonnaise
• 2 tablespoons chopped celery
• 1 tablespoon freshly squeezed lemon juice
• 1/2 teaspoon Old Bay Seasoning
• 1/2 teaspoon Dijon mustard
• coarse salt and freshly ground black pepper
• 12 ounces lump crabmeat
• 4 tablespoons (1/2 stick) butter
• 8 slices sourdough or other rustic white bread
• 4 ounces sharp cheddar cheese
• 8 strips cooked bacon
• 2 plum tomatoes (such as Roma)