1. Preheat oven to 350ยฐF. Mix shrimp, tomato, green onion, olive oil, egg white, Old Bay Seasoning and garlic powder in medium bowl until well blended.
2. Slice bread into 24 (1/2-inch thick) slices. Place on baking sheet; broil until lightly toasted on both sides. Spread lightly with mayonnaise. Spoon shrimp mixture evenly over bread slices.
3. Bake 8 to 10 minutes or until heated through and lightly browned.
*Recipe and Photo Courtesy of McCormick & Company, Inc.