Holiday Meatballs over Polenta - PureWow

Ingredients

• Tomato Sauce
• 1 tablespoon extra-virgin olive oil
• 1 small yellow onion, finely diced
• 2 garlic cloves, minced
• 1 teaspoon fresh thyme leaves
• ½ teaspoon dried oregano
• Kosher salt and freshly cracked black pepper, to taste
• One 28-ounce can whole peeled San Marzano tomatoes, crushed by hand
• ½ cup torn fresh basil, plus more for serving
• Meatballs
• 3 tablespoons extra-virgin olive oil, divided
• ½ cup yellow onion, finely diced
• 1 pound grass-fed ground beef
• ¼ cup Sun-Maid Golden Raisins , plus more for serving
• 2 tablespoons pine nuts, toasted
• ½ cup plain breadcrumbs
• ⅓ cup grated Pecorino Romano cheese, plus more for serving
• 1 large egg, lightly beaten
• Kosher salt and freshly ground black pepper
• Polenta
• 1 cup instant polenta
• ½ cup grated Pecorino Romano cheese
• ¼ cup chopped parsley, for serving