Recipe: <!-- -->Cocktail Meatballs in Tomato Sauce<!-- -->

Ingredients

• 1 pound extra-lean ground beef
• 1/3 cup dried bread crumbs
• 1/4 cup finely chopped green onions
• 1 egg, lightly beaten
• 1 teaspoon dried parsley
• 1/2 teaspoon fine sea salt
• 2 teaspoons Worcestershire sauce
• Ground black pepper, to taste
• 2 tablespoons extra-virgin olive oil
• 1 yellow onion, chopped
• 2 cloves garlic, finely chopped
• 1 can (28-ounce) crushed tomatoes with basil
• 2 cans (15-ounce) tomato sauce
• 1 can (6-ounce) tomato paste
• 1 tablespoon dried basil
• 1 teaspoon dried oregano
• 1 tablespoon balsamic vinegar
• 1/4 cup grated Parmesan