2 teaspoons vegetable oil
4 shallots, finely chopped (about 3/4 cup)
2 1/2 teaspoons red curry paste*, or 2 teaspoons curry powder
2 cups low-sodium chicken broth
1/2 cup light coconut milk
1/2 teaspoon salt, plus 1/4 teaspoon, plus more for seasoning
4 (6-ounce) pieces halibut fillet, skin removed
Steamed spinach**
1/2 cup coarsely chopped fresh cilantro leaves
2 scallions, green part only, thinly sliced
2 tablespoons fresh lime juice
Freshly ground black pepper
2 cups cooked brown rice, for serving
*Available in the Asian section of most supermarkets

**Steam or microwave 5 cups of washed baby spinach for 2 minutes