Variations & Tips
For a slightly thicker gravy without adding more ingredients, remove the lid for the last 30 to 45 minutes of cooking and let some of the liquid reduce, or gently simmer the strained cooking liquid on the stovetop while the roast rests.
If you prefer less richness, use half the packet of onion soup mix and add a splash of water to mellow it out. You can also swap the beef chuck roast for a similar marbled cut like beef arm roast or bottom round, but chuck will give you the most fall-apart texture.
Leftover beef roast sandwich made with gravy on a toasted roll
For make-ahead prep, assemble everything in the slow cooker insert the night before, cover, and refrigerate; in the morning, pop it into the base and start cooking before work. Leftovers are fantastic piled onto toasted rolls as hot beef sandwiches or tucked into tortillas for quick tacos, with the dark beer gravy drizzled over the top.
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