Rinse chicken wings; pat dry with paper towels.
Cut off and discard tips of chicken wings.
Cut wings at joints to form 24 to 36 pieces.
In a kettle combine water, soy sauce, gingerroot, leek, sugar, vinegar, chili peppers, Homemade Five-Spice Powder, and garlic.
Bring to boiling.
Return to boiling; reduce heat.
Simmer, covered, 20 to 25 minutes or until chicken is no longer pink.
Remove chicken with a slotted spoon