Heat about 2 tablespoons of frying oil, saute garlic, onion, ginger, then add in corned beef, stir well
Add in celery, green onion, peas, and corn, stir well
Then add in cooked potato, stir well, then followed with salt, sugar, pepper, and MSG, as desired
Cook in low heat
Meanwhile beat well 1 egg, then add into the pan, stir well
Drop few drops of fish sauce, soya sauce, and sweet soy sauce, stir all well
Last but not least, sprinkle 1 tablespoon cornstarch then stir very well, turn off the heat.