→ Tuna Salad
01 - 2 cans (5 oz each) tuna in water, drained
02 - 1/3 cup mayonnaise
03 - 1 tablespoon Dijon mustard
04 - 1 celery stalk, finely diced
05 - 1/4 small red onion, finely diced
06 - 1 tablespoon fresh lemon juice
07 - 2 tablespoons chopped fresh parsley (optional)
08 - Salt and black pepper, to taste
→ Sandwich Assembly
09 - 8 slices sandwich bread (whole wheat or white)
10 - 4 leaves crisp lettuce (e.g., romaine or iceberg)
11 - 1 medium tomato, sliced
12 - 2 tablespoons butter (optional, for toasting bread)