- 1 (5 ounce) can light oil-packed tuna
- 2/3 cup guacamole
- 1/4 cup chopped tomatoes
- 1 tablespoon light mayonnaise
- 1 teaspoon lemon juice
- 1 teaspoon ground flax seed
- 2 (6 inch) hoagie rolls, halved and split lengthwise
- Mix tuna, guacamole, tomatoes, mayonnaise, lemon juice, and flax seed in a bowl with a fork. Fill split rolls with tuna mixture.