Do I have to sear the chuck roast first?
No, but it is the difference between “tender roast” and “wow, that tastes like Sunday dinner.” Searing adds browned flavor that the slow cooker cannot create on its own. If you skip it, you may want a little extra Worcestershire or a pinch more salt at the end.
What size roast works best?
A 3 to 4 pound chuck roast is the sweet spot for most slow cookers. Larger roasts work too, but make sure it fits without being crammed and plan for extra time.
Low or high heat?
LOW gives you the most reliable, shreddable texture. If you are in a hurry, cook on HIGH for about 4 to 5 hours, but know it is easier to land in the “tender but sliceable” zone instead of fall-apart.
When should I add the potatoes and carrots?
Add them at the beginning and keep them in larger chunks so they hold their shape. Small baby potatoes can be left whole. If you prefer firmer vegetables, you can add them halfway through, but that means opening the lid and extending cook time a bit.
How do I thicken the gravy?
The easiest way is a cornstarch slurry: mix 2 tablespoons cornstarch with 2 tablespoons cold water, then whisk it into simmering cooking liquid. Simmer 1 to 2 minutes, whisking, until it turns glossy and you do not taste any raw starch.
Why is my roast tough?
It usually needs more time. Chuck gets tender as collagen breaks down, which takes hours. Keep cooking until a fork twists easily in the meat. For shreddable pot roast, the internal temperature often ends up around 195 to 205°F, but texture is the real test.