For a classic, tender pot roast, the best all‑around choice is a well‑marbled chuck roast, with a few other cuts working nicely depending on how you like the texture.

Best overall choice

  • Chuck roast (from the shoulder) is widely recommended as the top cut for pot roast because it has lots of marbling and connective tissue that melt during long, slow cooking, giving you rich flavor and fall‑apart tenderness.
  • It is also usually more affordable than premium roasts, which is why so many home cooks and big recipe sites default to chuck for pot roast.

Other good cuts

  • Brisket (especially the point cut) works well if you like slices that mostly hold together but still get very tender; it is leaner than chuck but still has good collagen for slow braising.
  • Some sources mention using cuts like prime rib or other well‑marbled roasts, but these are more expensive and usually chosen for roasting rather than braising, so they are less common for everyday pot roast.

How to choose at the store

  • Look for a roast labeled “chuck roast,” “chuck shoulder,” or “blade roast,” about 2.5–4 pounds, with visible white fat marbling running through the meat rather than just a big fat cap on the outside.
  • Avoid very lean roasts (like round) if you want that classic, shreddy pot roast; they can come out dry or a bit tough unless handled very carefully.

Simple rule of thumb

  • If you want shreddable, ultra‑tender, “Sunday dinner” style pot roast, pick chuck.
  • If you want neater slices that still get tender, brisket is a solid second choice.