Heat oil in large skillet or Dutch oven over medium-high heat. Add garlic and ginger; saute until garlic is lightly browned. Add celery; stir-fry 2 minutes. Add cabbage and mushrooms; stir-fry 2 minutes. Add spinach; stir-fry 2 minutes. Add soy sauce and toss to coat vegetables. Serve immediately.
Reprinted with the permission of Kikkoman International Inc.