Combine Ingredients: Place beef stew meat, onion, and garlic in the slow cooker.
Mix Sauce: In a bowl, whisk together the cream of mushroom soup, beef broth, heavy cream, dried basil, and dried oregano. Pour over the beef mixture and stir to combine.
Slow Cook: Cover and cook on low for 6-8 hours, or until the beef is tender.
Cook Pasta: About 30 minutes before serving, cook pasta according to package directions until al dente. Drain and set aside.
Add Pasta and Cheese: Stir the cooked pasta into the slow cooker. Add Parmesan cheese, salt, and pepper. Mix well.
Finish: Let the mixture cook for an additional 10-15 minutes to allow the flavors to meld.
Serve: Garnish with chopped parsley, if desired, and enjoy hot.
