Ingredients
Method
- Drain tuna thoroughly and flake with fork.
- Mix with mayonnaise, mustard, lemon juice, celery, and onion.
- Season with salt and pepper.
- Spread onto bread slices.
- Add toppings and serve.
Notes
- Substitute Greek yogurt for a lighter version.
- Chill for 30 minutes for best flavor.
- Best consumed within 3 days.
