Drain tuna well. Mix mayonnaise, lemon juice and Worcester sauce. Fold in capers and tuna. Season to taste with salt and pepper. Clean the celery and tomatoes, wash and pat dry.
Cut celery into small pieces, tomatoes into slices (cut some small cubes). Cover bread slices with tomatoes. Spread tuna cream on top. Sprinkle with pieces of celery and diced tomatoes
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