Zest of 1/2 an orange
1 teaspoon peeled, minced fresh ginger
3 tablespoons soy sauce
1 tablespoon fresh orange juice
2 teaspoons rice vinegar
2 teaspoons toasted sesame oil
2 heads baby bok choy, ends trimmed and cut into thirds through the stem
1 red bell pepper, seeded and thinly sliced
1/2 cup bean sprouts
4 (6-ounce) salmon fillets
Freshly ground black pepper
Olive oil, for brushing packets
1/3 cup diagonally thinly sliced scallions, for garnish
Cook's Note: Aluminum foil can be substituted for parchment paper.
Unfold and arrange the pieces of parchment on 2 baking sheets.