Grab yourself a roast. Most people use chuck but I hate how fatty it is so I use eye round or top round. Throw it in a crock pot with two cans of cream of mushroom soup and a packet of beefy onion. Optionally I toss a can of beef consomme in there to keep it very watery to avoid the top bits getting dry. Crock pot on low, don't let it boil too much. Flip every few hours. Cook 9 hours. If you want taters or carrots toss em in halfway through. Best served with baked or mashed taters, alternatively you can shred the beef and serve over pasta and it's pretty amazing. Thank me later.