1In 2-quart saucepan, mix flour, sage, thyme and pepper. Gradually stir in broth with wire whisk until blended. Heat to boiling over medium heat, stirring constantly. Stir in vegetables and chicken; heat to boiling.
2In small bowl, stir together Bisquick® mix, onions and onion powder. Stir in milk just until moistened. Drop by 6 spoonfuls onto boiling stew; reduce heat.
3Simmer uncovered 10 minutes; cover and simmer 10 minutes longer.