Remove the cabbage leaves and wash them thoroughly.
Blanch the cabbage leaves in boiling water for 1 minute, then rinse in cold water.
Finely chop the onion and carrot.
In a pan, stir-fry the tuna without oil, then add the chopped onion and carrot and sauté together.
Make the seasoning by mixing soy sauce, red pepper powder, minced garlic, and oligosaccharide syrup.
Add the seasoning to the stir-fried tuna and cook until well combined and seasoned.
Place the seasoned tuna on the blanched cabbage leaves, roll them up, and make wraps.