Classic Tuna Salad Sandwich

• 2 cans tuna, 5 oz each, packed in water, well drained
• ⅓ cup mayonnaise ≈ 73 g
  Swaps for mayonnaise

  Instead of mayonnaise

  • Plain Greek yogurt: The same amount. Tangier and lighter; a bit looser.
  • Egg-free (vegan) mayo: The same amount. Very close.
  • Sour cream: The same amount. Tangier and less rich.

  All 4 swaps for mayonnaise

  Cooking for an allergy? Check every label.

• 1 celery stalk, finely diced
• 2 tbsp red onion, finely diced
  Swaps for red onion

  Instead of onion

  • Another onion: The same amount. Yellow is the all-rounder; white is sharper and crisper; red is milder raw and adds color; sweet onions are mildest.
  • Shallots: The same amount, chopped. Milder and sweeter, with a hint of garlic.
  • Leeks: About 1½ times as much, white and light green parts. Milder and softer when cooked.

  All 4 swaps for onion

• 1 tbsp pickle relish, or chopped dill pickle
• 1 tsp lemon juice
  Swaps for lemon juice

  Instead of lemon juice

  • Lime juice: The same amount. A different, more floral aroma; works almost everywhere.
  • Bottled lemon juice: The same amount. More sour and flatter; fine in cooking and baking, less bright in dressings and drinks.
  • White wine vinegar or white vinegar: Half as much. Sharper, with no citrus aroma.

  More for lemon juice

• 1 tsp dijon mustard
  Swaps for dijon mustard

  Instead of mustard

  • Another prepared mustard: The same amount. Yellow is milder and more vinegary; Dijon is sharper; whole-grain adds texture; spicy brown is in between.
  • Dry mustard: 1 tsp dry mustard + 1 tsp water + 1 tsp white wine vinegar for each 1 tbsp. Sharper and less smooth.

  More for mustard

• kosher salt, and black pepper, to taste
• 8 slices bread, or 4 rolls
• 4 romaine lettuce leaves (optional)
• 1 medium tomatoes, sliced (optional)

Cooking for a crowd? Pans, timing and salt for 12 to 50.

Missing something? Tap Swaps next to an ingredient, or see all substitutions.