• 1 pound ground beef
• 1/4 cup chopped onion
• 1 tbsp lemon juice
• 1 tbsp brown sugar
• 2/3 cup ketchup
• 1 tsp Worcestershire sauce
• 1/2 tsp salt
• 1/2 tsp vinegar
• 1/8 tsp dry mustard

Brown meat and onion, add remaining ingredients and simmer for 30 minutes.