Thai Coconut Soup

Ingredients

• 1 tablespoon vegetable oil
• 2 tablespoons fresh grated ginger
• 1 stalk lemongrass, cut into 2-inch pieces
• 2 teaspoons red curry paste
• 4 cups chicken broth
• 3 tablespoons fish sauce
• 1 tablespoon light brown sugar
• 3 (13.5-ounce) cans coconut milk
• ½ pound shiitake mushrooms, sliced
• 1 pound medium shrimp, peeled and deveined
• 2 tablespoons fresh lime juice
• Salt to taste
• ¼ cup chopped fresh cilantro