1Combine ground beef, bread crumbs, onion, Worcestershire sauce, ketchup, garlic, salt, pepper, garlic powder, onion powder, italian seasoning, paprika, and egg in a bowl and mix with a hand mixer until combined.
2Form the mixture into six patties and place them on a baking sheet with a wire rack.
3Whisk together ketchup, barbecue sauce, and yellow mustard in a small bowl to create a glaze.
4Spread the glaze onto each patty.
5Bake at 350° for 30 minutes.
6Toast buns covered in mayonnaise on a hot oiled pan.
7Assemble sandwiches with pickles, meatloaf patties, and parsley.