Preheat the oven to 250°F if you aren't using a Crockpot.
Coat the pork with olive oil then rub the pork roast with the salt and pepper.
Place the roast in a large dutch oven or slow roaster pan.
Put the stick of butter on top and sprinkle the flour over the roast
Pour the jar of pepperoncini peppers over the roast
Add the vinegar, ranch dressing, dill, hot sauce and worcestershire to the pot in no particular order.
Add the bouillon or broth to about halfway up the roast. Depending on the size of your roast and pot you might not use all of the quart.
Cover and put into you preheated oven for 6-8 hours. Or cook in your crockpot for 10 hrs.
Serve on rice, pasta or on a hoagie bun