Ingredients:
1 ground beef, or more to taste
1 small onion, chopped
½ cup bread crumbs
¼ cup beef broth
1 egg
¼ cup grated Parmesan cheese
2 tablespoons ketchup
1 tablespoon Worcestershire sauce
½ teaspoon Italian seasoning
½ teaspoon dried parsley
¼ teaspoon garlic powder
¼ cup ketchup
3 potatoes, coarsely chopped
¼ cup baby carrots
Directions:
Combine ground beef, onion, bread crumbs, broth, egg, Parmesan cheese, 2 tablespoons ketchup, Worcestershire sauce, Italian seasoning, parsley, and garlic powder in a bowl using your hands. Form into a loaf. Center the loaf in the bottom of a slow cooker, leaving room on the sides.
Coat meatloaf with 1/4 cup ketchup and surround with potatoes and carrots. Cook on High, about 2 hours. Reduce heat setting to Low; cook until meatloaf is no longer pink in the center and vegetables are tender, 4 to 6 hours more. An instant-read thermometer inserted into the center should read at least 160 degrees F (70 degrees C).