So yummyㅠㅠㅋㅋㅋㅋ
Cut beef and vegetables into bite-sized pieces.
Lightly stir-fry the beef in a pan.
Add vegetables such as onion, green onion, shiitake mushroom, tofu, etc.
Pour in diet cola, soy sauce, cooking wine, and kelp broth, then simmer.
Eat when the ingredients are cooked.