My Secret to How to Make Easy Tuna Salad The Best Sarnie -…

Ingredients

• 1 (5 ounce / 142g) can tuna, packed in water or oil, drained (albacore, skipjack)
• 2 tablespoons mayonnaise (30ml)
• 1 tablespoon finely chopped celery (15ml)
• 1 tablespoon finely chopped red onion (15ml)
• 1 teaspoon fresh lemon juice (5ml)
• 1/2 teaspoon Dijon mustard (2.5ml)
• Pinch of salt (kosher salt)
• Pinch of black pepper (freshly ground)
• Optional: 1 tablespoon chopped fresh parsley or dill (15ml)
• 2 slices of bread (Sourdough, whole wheat, white)
• 1 tablespoon butter, softened (15g) (Unsalted butter)
• Optional: Lettuce leaves, thinly sliced tomato, or sprouts