2 1/2 pounds ground chuck
3 cloves garlic, minced
2 stalks celery, diced
1 large onion, diced
3 cups beef stock or broth, plus more if needed
One 14.5-ounce can whole tomatoes
3 tablespoons tomato paste
2 teaspoons dried parsley flakes
1/2 teaspoon ground oregano
1/2 teaspoon kosher salt, or more to taste
1/2 teaspoon freshly ground black pepper, or more to taste
1/4 teaspoon cayenne pepper, or more to taste
5 red potatoes, cut into chunks
4 carrots, peeled and sliced on the diagonal
1 green bell pepper, seeded and diced
1 red bell pepper, seeded and diced
1 yellow bell pepper, seeded and diced
Crusty bread, for serving