Pac Choi and Mushroom Stir-Fry

2-3 heads pac choi, chopped
8 oz. mushrooms, sliced
1 tablespoon cooking oil
1 garlic scape, minced (or 1 tablespoon minced garlic)
1 tablespoon soy sauce

Heat oil in skillet to medium hot.  Add garlic and stir-fry for 30 seconds, stirring.  Add pac choi and mushrooms and stir-fry for 2-3 minutes, stirring.  Add soy sauce and serve immediately.