These sandwiches are amazing. We had them at bible study a couple months ago, and I fell in love instantly! And they are so easy!
Beef Roast (I used a chuck roast)
Beef stock or bouillon cubes
Place roast in crockpot. Dump pepperoncinis on top (i used a lot of the juice too, which makes it spicier). Add beef stock (however much you desire. If you like more juiciness, add more! I added 1 bouillon cube dissolved in about 1/2c water since I had the juice from the pepperoncinis.)
Cook on high 4-6 hours or low 7-8 hours. Shred meat with forks, pile on sourdough or hoagie rolls, and top with provolone cheese. Enjoy!