Oriental Green Vegetable Casserole

Name: Oriental Green Vegetable Casserole
Ingredients: 1 small green bell pepper, stemmed, seeded, deribbed and cut into 2-inch strips; 6 scallions, trimmed, whites cut into 3-inch lengths and greens cut into 1/4-inch rounds; 1/4 pound zucchini, trimmed, cut in half lengthwise, then cut into 2-inch pieces; 1/4 pound snow peas, strung; 1/4 cup fresh coriander leaves; 2 tablespoons tamari soy; 1 1/2 tablespoons rice wine vinegar; 6 thin slices fresh ginger, peeled; 2 teaspoons vegetable oil