1. Chop onion, geen pepper and red pepper thinly. Drain off excess water of sweet corn using strainer.
Make mayonnaise sauce beforhead.
2. Place sweet corn, chopped onion and paper bells with mayonnaise sauce on dish. Refrigerate about 30 minutes. (※ Be careful to make too much of water when you keep sauce in refrige for a long time; 30mins~1hour is good enough to make deep flavor/taste of sauce)
3. Put salad on dish with parsley.