Ingredients:

6 ounces fresh crab meat or 1 6-ounce can, drained
1 1/2 cups fresh white breadcrumbs
1/2 cup chopped green onions
4 1/2 tablespoons mayonnaise
1 teaspoon Old Bay or other seafood seasoning
1 egg yolk
1 1/2 tablespoons Dijon mustard
Vegetable oil
4 large slices French bread

Methods:

Mix crab meat,1 cup breadcrumbs, green onions,2 tablespoons mayonnaise and Old Bay seasoning in medium bowl.Season with salt and pepper. Mix in egg yolk.Form mixture into four 2 1/2-inch-diameter patties.Place remaining 1/2 cup breadcrumbs in shallow bowl. Dip patties into crumbs, coating completely.Mix remaining 2 1/2 tablespoons mayonnaise with mustard in small bowl to blend.

Prepare barbecue (medium-high heat) or preheat broiler.Brush barbecue rack with oil. Grill burgers until golden brown, about 4 minutes per side.Grill bread slices until lightly toasted, about 1 minute per side.Spread toasts with mustard dressing.Top each with a burger.