Mom's easy meatloaf

Ingredients

1 1/2 pounds ground beef
1/4 cup chopped onion
1/4 cup quick-cooking oats
1/8 cup cornmeal
1 cup dried bread crumbs
1 1/2 teaspoons salt
1 tablespoon white sugar
1 egg, beaten
1/2 cup tomato juice
1/2 cup water
1 tablespoon barbecue sauce
1 dash liquid smoke flavoring
1 tablespoon distilled white vinegar
1/4 cup ketchup
1 tablespoon brown sugar
2 teaspoons prepared mustard
2 dashes liquid smoke flavoring
Directions

Preheat oven to 350 degrees F (175 degrees C).
In a large bowl, combine the beef, onion, oatmeal, cornmeal, bread crumbs, salt, sugar, egg, tomato juice, water, barbecue sauce, 1/8 teaspoon liquid smoke and vinegar. Mix together thoroughly and place mixture into a lightly greased 9x5 inch loaf pan.
In a separate small bowl, combine the ketchup, brown sugar, mustard and 2 drops liquid smoke and mix thoroughly. Spread over the top of the meatloaf.
Bake at 350 degrees F (175 degrees C) for approximately one hour.