8 whole baby bok choy
2 teaspoons plus 2 tablespoons vegetable oil
1/2 teaspoon Thai red curry paste*
1 13 1/2- to 14-ounce can unsweetened coconut milk*
1/4 cup finely chopped fresh lemongrass or 1 tablespoon grated lemon peel
1 tablespoon brown sugar
2 1/2 tablespoons fresh lime juice
2 tablespoons fish sauce (nam pla*)
4 6-ounce salmon fillets
*Thai red curry paste and fish sauce (nam pla) are both available at Asian markets and in the Asian foods section of some supermarkets nationwide.
**Canned unsweetened coconut milk is available at Indian markets, Southeast Asian markets, Latin American markets and many supermarkets.