Cabbage With Meatballs

Ingredients (16)

• 1 tablespoon olive oil
• 1 large onion (finely chopped or grated, divided)
• 5 garlic cloves (minced, divided)
• 1 (28-ounce) can crushed tomatoes
• 2 tablespoons brown sugar
• 1 tablespoon red wine vinegar
• Kosher salt (to taste)
• Freshly ground black pepper (to taste)
• 1 small savoy or Napa cabbage (cored and thinly chopped, about 6-7 cups)
• 1 to 1 1/4 pounds ground beef
• 1 egg (beaten)
• 1/3 cup breadcrumbs
• 1 teaspoon Worcestershire sauce
• 1 teaspoon sweet paprika
• 2 tablespoons fresh parsley (chopped)
• Optional: sour cream