Crock Pot Po' Boys (or Italian Beef) Sandwiches

Name: Crock Pot Po' Boys (or Italian Beef) Sandwiches
Prep time: 25 min
Cook time: 8 h
Total time: 8 h 25 min
Cuisine: Italian
Ingredients: 3 pound(s) beef roast; 2 large onions, chunked; 1 jar(s) pepperocini peppers with juice; 2 package(s) mushroom gravy packets; 3 tablespoon(s) Italian seasoning; 2 1/2 teaspoon(s) black pepper; 2 tablespoon(s) minced garlic