Rye Bread Tuna Mayo + Pickles
Prepare rye bread.
Drain the oil from the canned tuna and place the tuna in a bowl.
Add mayonnaise, chopped onion, salt, and pepper, and mix well.
Spread the tuna mayo mixture on the rye bread.
Add vegetables like lettuce or cucumber, then cover with another slice of bread.
Cut into bite-sized pieces.