Tuna Melt Sandwich

Description
Chunk Light Tuna in Water, Canned by the US Department of Agriculture, public domain government resource—original source of recipe
 * Serves: 10

Ingredients

 * 1 12-ounce can tuna, drained and flaked
 * 1 whole large egg
 * ⅓ cup low fat mayonnaise/mayonnaise
 * ¼ teaspoon dry mustard
 * 3 tablespoons minced fresh onion
 * ½ cup finely diced celery
 * ⅓ cup (5 ounces) shredded American cheese
 * 5 English muffins, split

Directions

 * 1) Hard-cook egg: place egg in small saucepan, cover with cold water. Bring to a boil; reduce heat and simmer, covered, for 10 minutes. Drain and cool in cold water. Peel and chop.
 * 2) In a bowl, combine dry mustard and mayonnaise.
 * 3) Stir in onions, celery, chopped egg, and drained tuna. Toss lightly to mix.
 * 4) Mix in half of shredded cheese.
 * 5) Lay out split English muffins onto a baking pan. Spread ¼ cup of tuna salad to the edge of each muffin.
 * 6) Sprinkle the top with 1 tablespoon of remaining shredded cheese.
 * 7) Bake at 350 °F for 5 minutes until cheese is melted.