meatballs and spaghetti

INGREDIENTS

• 1/2 pound ground veal
• 1/2 pound ground pork
• 1 pound ground beef
• 1 1/4 cups fresh white bread crumbs (about 5 slices, crusts removed)
• 2 tablespoons chopped fresh flat-leaf parsley
• 1/2 cup freshly grated Parmesan cheese
• 2 teaspoons kosher salt
• 1/2 teaspoon freshly ground black pepper, or more to taste
• 1 teaspoon onion powder
• 1 extra-large egg, beaten
• Vegetable oil
• Olive oil
• 1 tablespoon good olive oil
• 1 cup chopped yellow onion (1 onion)
• 1 1/2 teaspoons minced garlic
• Pinch of red pepper flakes
• 1/2 cup good red wine
• 1 (14-ounce) can pureed tomatoes
• 1 (14-ounce) can chopped or diced tomatoes
• 1 tablespoon chopped fresh flat-leaf parsley
• 1 1/2 teaspoons kosher salt
• 1/2 teaspoon freshly ground black pepper
• 1 1/2 pounds spaghetti, cooked according to package directions
• Freshly grated Parmesan