Tuna Melt With Avocado

• 2 tablespoons finely chopped red onions
• 2 (6 ounce) cans solid white tuna packed in water, drained and flaked
• 2 tablespoons finely chopped celery
• 12 cup mayonnaise (Hellman's)
• 2 teaspoons fresh lemon juice
• 4 slices rye bread
• 2 teaspoons unsalted butter
• 1 avocado, peeled, pit removed, thinly sliced, and lightly salted
• 1 cup shredded sharp cheddar cheese

1. Place the chopped red onion in a small strainer; place strainer in a bowl of ice water; let sit for 10 minutes; drain onion and pat dry.
2. In a bowl, mix together the onion, tuna, celery, mayo, and lemon juice.
3. Season to taste with salt and pepper.
4. Preheat the broiler; lightly toast the bread, and spread each slice with butter.
5. Distribute avocado slices evenly over the 4 slices of bread.
6. Spread tuna mixture evenly on top of avocado; sprinkle cheese evenly on top.
7. Place under the broiler until cheese is melted, 1-2 minutes.
8. Serve immediately.

red onions, solid white tuna, celery, mayonnaise, lemon juice, rye bread, unsalted butter, avocado, cheddar cheese

Taken from www.food.com/recipe/tuna-melt-with-avocado-208000 (may not work)