recipe for lettuce wraps

Ingredients 1 tablespoon vegetable oil 1 pound ground chicken or ground turkey 1 small onion, finely chopped 2 cloves garlic, minced 1 tablespoon fresh ginger, minced 1/4 cup hoisin sauce 2 tablespoons soy sauce 1 tablespoon rice vinegar 1 tablespoon sriracha (optional, for heat) 1 can (8 oz) water chestnuts, drained and finely chopped