Recipes: Oyster omelet

Preparation:  Preparation time: 15 min Cooking time: 15 min Serving: 1 Ingredients:   Sauce ●     1/2 cup chicken broth ●     1/4 cup ketchup ●     1 tablespoon light soy sauce ●     1 tablespoon rice vinegar ●     1 tablespoon sugar ●     2 teaspoons cornstarch   Omelet ●     1/2 lb (225 g) small...