Best Tuna Sandwich Recipe

Ingredients

• 5 oz (140g) Albacore Tuna in Water, drained well
• 1/4 cup (60ml) Mayonnaise (Hellmann's/Best Foods preferred for classic flavour)
• 1/4 cup (60ml) Celery, finely diced
• 2 tbsp (30ml) Red Onion, finely diced
• 1 tbsp (15ml) Fresh Lemon Juice
• 1 tbsp (15ml) Fresh Parsley, chopped
• 1/2 tsp Dijon Mustard
• 1/4 tsp Black Pepper, freshly ground
• Pinch of Sea Salt (or to taste)
• 4 slices Sourdough Bread (or your favourite sandwich bread)
• 2 tbsp (30ml) Unsalted Butter, softened