Homemade Spaghetti Sauce

Ingredients

• 1 pound ground beef ((or 1/2 lb ground Italian sausage and 1/2 lb ground beef))
• salt and freshly ground black pepper (, to taste)
• 1 medium onion (, chopped)
• 15 ounces tomato sauce
• 6 ounces tomato paste
• 1/2 teaspoon Italian seasoning
• 1 Tablespoon dried parsley flakes
• 1 teaspoon garlic powder
• crushed red pepper flakes (, to taste)
• 1 Tablespoon Worcestershire sauce
• 1 Tablespoon granulated sugar
• 1 cup water
• 1/4 cup fresh basil leaves ((optional))
• spaghetti noodles (, for serving)