Spoonburgers

Ingredients

• 1 lb (.5 kg). lean ground beef
• 1 cup (225 ml) finely chopped onion
• 1 cup (225 ml) finely chopped green pepper
• 1 tbsp (15 ml) brown sugar
• 2 tbsp (30 ml) prepared mustard
• 1 tbsp (15 ml) vinegar
• 1 tsp (5 ml). salt (or less)
• 1 cup (225 ml) ketchup
• rolls