Three-Color Sandwich Rolls (Samsaek Sandwich)

Steps

Translated from the Korean original. Amounts are as in the original recipe.

1. Cut the crusts off the bread and flatten it thin with a rolling pin.
2. Boil the potato, mash it finely, and mix evenly with the oligosaccharide syrup.
3. Boil the egg for about 13 minutes, peel it, and cut in half.
4. Slice the carrot, onion, and cucumber thinly as well.
5. Slice the tomato into thin slices.
6. Mix the mashed potato (2) with the prepared egg (3) and vegetables (4), add a little salt, and mix evenly. Place it on the flattened bread with the tomato, cheese, and lettuce and roll up to finish.