Cut the onion, green onion, cucumber, and carrot into bite-sized pieces.
Add cooking oil to a pan and stir-fry the onion, green onion, and carrot.
When the vegetables are half cooked, add the cucumber and continue stir-frying.
Add gochujang, soy sauce, and oligosaccharide syrup, and mix well.
Slice the boiled eggs thickly and add them to the pan.
Mix all ingredients evenly and stir-fry a little more to finish.