01 -
Heat olive oil in a large skillet over medium-high heat. Add ground beef, diced onion, salt, and black pepper. Cook until beef is fully browned and no pink remains, about 4-5 minutes. Transfer the beef and onions with a slotted spoon to a 6-quart crockpot, leaving excess fat in skillet.
02 -
Add diced celery, tomato paste, minced garlic, Worcestershire sauce, Italian seasoning, peeled russet potatoes, tomato sauce, diced tomatoes, frozen mixed vegetables, and beef broth to the crockpot. Stir thoroughly to combine all components evenly.
03 -
Set the crockpot to LOW and cook for 7-8 hours until potatoes are tender and cooked through.
04 -
Optionally garnish with fresh chopped parsley before serving.