Thai Shrimp Soup

Ingredients

• 1 medium onion, chopped
• 1 tablespoon olive oil
• 3 cups reduced-sodium chicken broth
• 1 cup water
• 1 tablespoon brown sugar
• 1 tablespoon minced fresh gingerroot
• 1 tablespoon fish sauce or soy sauce
• 1 tablespoon red curry paste
• 1 lemongrass stalk
• 1 pound uncooked large shrimp, peeled and deveined
• 1-1/2 cups frozen shelled edamame
• 1 can (13.66 ounces) light coconut milk
• 1 can (8-3/4 ounces) whole baby corn, drained and cut in half
• 1/2 cup bamboo shoots
• 1/4 cup fresh basil leaves, julienned
• 1/4 cup minced fresh cilantro
• 2 tablespoons lime juice
• 1-1/2 teaspoons grated lime zest
• 1 teaspoon curry powder