1. Combine the ingredients for the Sweet 'N' Sour sauce in a mixing bowl.
2. Heat oil in a skillet over medium high heat.
3. Add broccoli, carrots, cauliflower, and celery, cook for 2 minutes.
4. Add bell pepper and sugar peas, cook for 2 minutes.
5. Add Sweet 'N' Sour sauce, bring to a boil and cook for 1 minute, covered.
6. Serve vegetables while hot.
Submitted by Sarah