Season the roast on all sides with the salt, pepper, and granulated garlic and place in center of the crock pot.
Add the potatoes and baby carrots around the roast on the bottom.
Add the sliced onions and mushrooms.
Pour in the whiskey.
Evenly sprinkle both packets of the beefy onion Lipton soup mix all over everything.
Spoon over the cream of mushroom, again as evenly as possible.
Place the lid and cook on LOW for 8-9 hours or HIGH for 5-6.
When the meat is done and vegetables are soft, remove the roast and allow it to rest for a few minutes before shredding or slicing.
Using a slotted spoon, remove the veggies and place them in a bowl. Try to remove as much of the sauce from both the meat and veggies.
Whisk the sauce together to form the gravy.
To serve, return everything to the crockpot or plate on a serving platter, adding the sauce to a gravy boat.
Video
Notes
If you want your sauce thicker: Make a cornstarch slurry using cold water and add it during step seven. Alternatively, a tablespoon of tomato paste could be used. Stir it in and allow the cooking liquid to heat through.