Sloppy Joe’s 02 Sep 11

1-1/2 lb ground beef
2 tbsp brown sugar
1 tsp lemon juice
1 cup ketchup
1 tsp white vinegar
1 chopped small onion
1 tsp yellow mustard

Brown ground beef with onion; drain fat. Add remaining ingredients, stir and let simmer for 10 minutes. Serve on buns.