Best Porcupine Meatballs Recipe - How to Make Porcupine Meatballs

Ingredients

• 1 1/2 lb. ground beef 
• 3/4 c. uncooked long grain white rice
• 1/2 c. whole milk 
• 1/2 yellow onion, finely chopped
• 2 tbsp. finely chopped parsley, plus more for garnish 
• 2 tsp. Worcestershire sauce, divided 
• 1/2 tsp. garlic powder 
• Pinch cayenne pepper 
• Kosher salt 
• 2 tbsp. extra-virgin olive oil 
• 1 (28-oz.) can whole peeled tomatoes, pureed 
• Freshly ground black pepper