# What You'll Need:
→ Tuna Salad
01 - 1 can (5 oz) tuna, drained
02 - 2 tbsp mayonnaise
03 - 1 tsp Dijon mustard
04 - 1 stalk celery, finely chopped
05 - 1 tbsp red onion, finely chopped
06 - 1 tsp lemon juice
07 - Salt and freshly ground black pepper, to taste
→ Sandwich
08 - 4 slices sandwich bread (white, whole wheat, or sourdough)
09 - 4 slices cheddar cheese
10 - 2 tbsp unsalted butter, softened
# How to Make It:
01 - Combine drained tuna, mayonnaise, Dijon mustard, celery, red onion, lemon juice, salt, and pepper in a bowl until thoroughly mixed.
02 - Lay out bread slices. Spread tuna salad evenly over two slices, then top each with two cheese slices.
03 - Place the remaining bread slices over fillings to form sandwiches.
04 - Spread softened butter on the outside faces of each sandwich.
05 - Preheat a nonstick skillet or griddle over medium heat.
06 - Place sandwiches buttered side down on skillet and cook for 3 to 4 minutes, pressing gently until golden brown.
07 - Flip sandwiches and cook for an additional 3 to 4 minutes until bread is golden and cheese has melted.
08 - Remove sandwiches from skillet, slice in half, and serve immediately while hot.