Sweet & Sour Sausages

• ½ cup onion
• ½ cup green pepper
• ½ cup celery
• 3/4 cup ketchup
• 2 tbsp vinegar
• 1 tbsp brown sugar
• 2 tsp mustard
• 2 tsp soya sauce
• ½ cup water

Fry green pepper, celery and onion. Add rest of ingredients in a pot. Boil until thickened. Serve over sausages.