Tuna sandwich (참치 샌드위치)

English name: Tuna Sandwich
Categories: not Korean
Made with: bread, cucumber, eggs, ground black pepper, lettuce, mayonnaise, onion, radish sprouts, salt, tuna,

Korean name: 참치 샌드위치
Romanized: Chamchi sandwich

Ingredients (makes 2 sandwiches):

4 slices of multi-grain bread, toasted
1 hard-boiled egg, shelled
8.8 ounces of canned tuna in oil or water (1 can of Korean tuna is the perfect size)
½ cup seedless cucumber, chopped
¼ cup chopped onion
½ teaspoon salt
¼ cup mayonnaise
4 leaves of lettuce or thick iceberg lettuce leaves, washed and pat dried with paper towel
½ cup radish sprouts, washed and pat dried with paper towel
¼ teaspoon ground black pepper