In your crockpot, add roast, beef broth, basil, and garlic.
Season roast well with salt and pepper and onion powder.
Cook on high for 6-8 hours.
Remove beef from broth and shred.
Empty broth, basil leaves, and garlic from slow cooker and add can of marinara sauce.
Return beef to marinara sauce in slow cooker and let cook on low for 30 minutes.
Cook your pasta and garlic bread while waiting.
Serve shredded beef over noodles with fresh grated parmesan on top. Enjoy!