Open-Faced Tuna Sandwich with Lemon, Celery, Apple and Basil

The best open-faced tuna sandwich you’ll ever taste! This recipe is inspired by Martha Stewart’s favorite way to enjoy tuna and is packed with fresh ingredients including lemon juice, celery, apple and basil. You combine these ingredients with tuna and mayo and scoop over toasted bread for a simple lunch or dinner. It is the best way to enjoy tuna!