Image of Open-Faced Tuna Melt Sandwich

Open-Faced Tuna Melt Sandwich

Prep Time: 8 min
Cook Time: 4 min

Ingredients

  • 2 (3 ounce) pouches white albacore tuna, drained
  • 3 tablespoons Primal Kitchen™ Avocado Oil Mayonnaise, plus more for spreading
  • 2 teaspoons Dijon mustard
  • 2 tablespoons finely chopped red onion, or more to taste
  • 2 teaspoons capers, drained
  • 2 tablespoons chopped cornichons
  • 1 tablespoon lemon juice
  • ¼ teaspoon fresh or dried thyme leaves
  • Sea salt and freshly ground black pepper to taste
  • 3 slices whole wheat or whole grain bread
  • 6 thin slices tomato
  • 3 large slices Gruyere, white Cheddar, or provolone cheese