Instructions

  1. Heat oven to 375°.
  2. Place bread in the bowl of a food processor fitted with a steel blade; pulse until fine crumbs form.
  3. Transfer to a medium bowl, add ground beef& mix well.
  4. Place onion, garlic, celery, carrots& parsley in the bowl of a food processor fitted with a steel blade; pulse until fine.
  5. Add to meat mixture and, using hands, mix well.
  6. Add egg, 1/2 cup ketchup, 2 teaspoons dry mustard, salt, and pepper; use hands to combine thoroughly.
  7. Place in an 8 1/2-by-4 1/2-by-2 1/2-inch loaf pan.
  8. Combine remaining 1/2 cup ketchup, remaining teaspoon dry mustard, and brown sugar in a bowl; stir until smooth.
  9. Brush mixture over meatloaf; place in the oven over a baking pan set on the rack below to catch drippings.
  10. Cook until a meat thermometer inserted in the center reads 160°, about 90 minutes.
  11. Check after 60 minutes and if the top is getting too dark, cover with foil, and continue baking.