Sour Soup

Ingredients

• 3 cups chicken broth
• 2 stalks lemongrass, bulbs only, smashed *
• 1/4 cup fish sauce*
• 2 tablespoons sugar
• 2 teaspoons peeled, coarsely chopped galangal root*
• 2 teaspoons salt
• 1/4 pineapple, peeled, cored, sliced 1/4 inch thick and julienned
• 1/4 pound lotus roots, cut into 2-inch lengths*
• 1 medium tomato, cut into wedges
• 3/4 pound catfish filets, cut into 1-inch cubes
• 1/2 cup tamarind juice
• 3 tablespoons vegetable oil
• 10 garlic cloves, coarsely chopped
• 1/2 cup fresh basil leaves, coarsely chopped
• 1/3 cup coarsely chopped fresh cilantro and mint
• 1 large egg
• Bird's eye chilies, thinly sliced*