Preheat the oven to 400°F, and line a 9x13-inch baking pan with aluminum foil..
In a large bowl, combine the sausage, beef, onion, breadcrumbs, heavy cream, parsley, cheese, garlic, salt, Italian seasoning, pepper, red pepper flakes, egg. Do not add the beef broth.
½ pound ground Italian sausage, ½ pound ground beef, ½ cup white onion, ¼ cup breadcrumbs, ¼ cup heavy cream, ¼ cup parsley, ¼ cup Parmesan cheese, 2 garlic cloves, 1 teaspoon salt, 1 teaspoon Italian seasoning, ½ teaspoon ground black pepper, ¼ teaspoon red pepper flakes, 1 large egg
Roll the meat mixture into golf ball-sized balls (about 1 ½ inches in diameter), and place in the prepared baking dish.
Pour the beef broth around the meatballs, then cover the dish with aluminum foil.
½ cup beef broth
Place the meatballs in the oven to bake for 20-30 minutes or until the meatballs are cooked through.
If desired, add the meatballs to a large skillet with tall sides. Pour in your favorite marinara sauce and bring to a simmer for 5-7 minutes to all the flavors meld.
Optional: Marinara sauce for serving
Serve hot. See post for storage options.
Notes
*The calories listed are an approximation based on the ingredients in the recipe card and a serving size of 2 baked meatballs. Actual calories will vary.*For more information, tips, and answers to frequently asked questions, please refer to the post.