Preparation Bring stock to a simmer in a 3- to 4-quart saucepan, then stir in chile powder (to taste) and shallots and simmer, uncovered, 2 minutes. Add chicken and simmer until just cooked through, about 2 minutes. Stir in fish sauce (to taste) and soy sauce and simmer 1 minute. Remove from heat and stir in mint. Serve soup warm, topped with scallions and cilantro. Cooks' note:Soup (without fish sauce, soy sauce, and mint) can be made 1 day ahead and cooled completely, uncovered, then chilled, covered.
Preparation Bring stock to a simmer in a 3- to 4-quart saucepan, then stir in chile powder (to taste) and shallots and simmer, uncovered, 2 minutes. Add chicken and simmer until just cooked through, about 2 minutes. Stir in fish sauce (to taste) and soy sauce and simmer 1 minute. Remove from heat and stir in mint. Serve soup warm, topped with scallions and cilantro. Cooks' note:Soup (without fish sauce, soy sauce, and mint) can be made 1 day ahead and cooled completely, uncovered, then chilled, covered.