Stir-fried Tofu and Mixed Mushrooms with Asparagus in Vegetarian Oyster Sauce

Prepare the ingredients: Press and cube firm tofu. Trim and cut asparagus into 2-inch pieces. Slice shiitake mushrooms and trim the roots off enoki mushrooms. Mince garlic and thinly slice ginger. Mix cornstarch with 2 tablespoons of water (from the total amount) to create a cornstarch slurry.