4 cups water
3 cups fresh spinach leaves
1/2 pound snow peas, trimmed and cut in half crosswise
1 (5 3/4-ounce) package pad thai noodles (wide rice stick noodles)
1 tablespoon canola oil
1/4 cup thinly sliced shallots
2 teaspoons red curry paste
1 1/2 teaspoons curry powder
1/2 teaspoon ground turmeric
1/2 teaspoon ground coriander
2 garlic cloves, minced
6 cups fat-free, less-sodium chicken broth
1 (13.5-ounce) can light coconut milk
2 1/2 cups shredded cooked chicken breast (about 1 pound)
1/2 cup chopped green onions
2 tablespoons sugar
2 tablespoons fish sauce
1/2 cup chopped fresh cilantro
4 small hot red chiles, seeded and chopped, or 1/4 teaspoon crushed red pepper
7 lime wedges