Spicy Crockpot Italian Beef

INGREDIENTS

1 tbsp

cooking oil

(3- 5 pound ) beef chuck roast

envelope dry Italian Dressing Mix, like Good Seasons brand)

2 cups

sliced bell peppers

2 cups

sliced Vidalia onion

3 cups

beef broth

2 tsp

beef base (like Better than Bouillon)

1/2 tbsp

Italian seasoning

1 cup

whole sliced golden peperoncini or 1/2 cup sliced, plus more for garnish

1 cup

well drained Italian mix giardiniera , plus 1/2 cup roughly chopped for garnish

1 tbsp

peperoncini juice

3 cloves

garlic , smashed

Italian deli rolls

Sliced provolone cheese