1 can (6 oz.) solid white tuna packed in water
4 ounces Roma tomates, rinsed, seeded, cured, and chopped (see notes)
1/4 cup chopped fresh cilantro leaves
3 tablespoons lime juice
1/3 cup minced red onion
2 fresh serrano chilies or other small hot chilies, rinsed, stemmed, seeded, and minced
1/2 teaspoon salt
2 sandwich rolls (3 oz. each), split in half horizontally
Drain tuna well; flake into a bowl with a fork. Stir in tomatoes, cilantro, lime juice, onion, chilies, and salt.
Mound tuna equally on sandwich roll bottoms and set tops in place.
Nutritional analysis per sandwich.