1 tbsp. Red wine vinegar
2 tbsp. Packed light brown sugar
1/4 cup Ketchup
1/4 tsp. Ground black pepper
1/2 tsp. Garlic powder
3/4 tsp. Salt
1 tsp. Dried parsley leaves
1 tbsp. Worcestershire sauce
2 tbsp. Ketchup
1 Large egg beaten
1/2 cup Milk
1/2 cup Diced yellow onion
1 cup Dried bread crumbs
1 pound 90% lean ground beef