Authentic Italian Meatballs with Rich Tomato Sauce

Ingredients

• 1 lb ground beef (20% fat content)
• 1/2 lb spicy Italian sausage, casings removed
• 2 slices day-old white bread, crusts removed
• 1/4 cup milk
• 1 small onion, finely diced
• 2 cloves garlic, minced
• 1 egg, beaten
• 1/2 cup fresh breadcrumbs
• 1/4 cup grated Parmesan cheese
• 2 tablespoons fresh parsley, chopped
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon crushed red pepper flakes
• 2 tablespoons olive oil
• 2 cups high-quality marinara sauce
• 1 teaspoon dried oregano
• 1/2 teaspoon dried mint
• Salt
• pepper