Cut the chicken thighs into bite-sized pieces.
Marinate with salt, pepper, minced garlic, gochujang, soy sauce, and oligosaccharide for 30 minutes.
Heat oil in a pan and cook the chicken thighs over medium heat.
Lightly warm the tortilla in a dry pan.
Place the cooked chicken thighs, onion, bell pepper, and lettuce on the tortilla.
Roll up the tortilla to finish.