1 cup Tuna in oil 2 tablespoons mayonnaise 1 tablespoon olive oil 1/4 cup onion, diced 1/4 cup celery, diced 1/2 tablespoon lemon juice 4 slices Italian bread 1 small Tomato -- sliced
Blend the tuna, mayonnaise, olive oil and lemon juice together on high speed. Add the remaining ingredients - except the bread, and mix thoroughly by hand. Place mixture in the refrigerator for 15 minutes.
Toast 4 slices of Italian bread on both sides in a very hot (475F degree) oven, or in the broiler. Heap the tuna mixture on the toast, add two or three tomato slices to each crostini, and place under the broiler for 2-4 minutes. Serve hot.