Clean the peppers, and chop them into quarters or halves, however you like best. Dice the onions and the garlic finely.
Warm up your crock pot, and put the butter in.
Put in the roast, and scatter the peppers, onions, and garlic over the roast.
Sprinkle the seasonings over the roast, and pour the water into the crock pot. Put the stick of butter on top.
Put the lid over it and cook on low for 8-10 hours. Your dish is done once the meat is so tender it starts falling apart.
When your chuck roast is over, shred the meat in the pot. You can use two forks for this.
If you like, you can make gravy out of the juice, but make sure you separate the fat.
Serve over your favorite side dish or as sliders, and enjoy!