Team Four Tuna Dock Line Social Media Team 5 years ago 2 tablespoons minced red onion 2 pepperoncini peppers, minced 1 tablespoon mayonnaise 1 tablespoon rice vinegar 2 imitation crab legs, chopped 2 (5 ounce) cans tuna, drained In a mixing bowl, stir together red onion, peppers, mayonnaise, vinegar, imitation crab, and tuna. Chill if desired. Serve on your favorite bread.