In a large wok or skillet heat the olive oil over high heat. When hot but not smoking add the asparagus, leek and mushrooms. Stir occasionally for 3 minutes. Add the garlic and the ginger and cook for another 2 minutes.
Add the soy sauce, salt and pepper to taste and cook for another 1 minute.
Giangi's Kitchen provides nutritional information, but these figures should be considered estimates, as a registered dietician does not calculate them.