1 ripe avocado, halved, pitted
1 tablespoon lemon juice
Salt and pepper, to taste
5oz. can tuna, packed in oil
1 tablespoon chopped onion
Parsley, for garnish
Cut avocado in half and remove the pit.
Scoop the avocado flesh, leaving ¼-inch thick shell.
Place the avocado flesh into a bowl.
Add lemon juice and mash until smooth. Stir in chopped onion and tuna.
Stuff the avocado shells with prepared mixture.
Sprinkle with parsley and serve.