In the insert of your electric pressure cooker, add the corned beef, beef broth, Guinness, onion, garlic, bay leaves, Worcestershire sauce, and sugar.
Close and seal the lid. Cook on High pressure for 90 minutes. Allow pressure to naturally release for 10 minutes, then manually release any remaining pressure.
Remove the corned beef from the pressure cooker and transfer to a cutting board. Slice and serve.
notes
Slow Cooker Instructions:To make this in the slow cooker, add everything to the slow cooker insert. Cook for 7 to 8 hours on High. Let rest for 30 minutes with the lid on before removing and slicing!