Crockpot Philly Cheese Steak Casserole

Crockpot Philly Cheese Steak Casserole 2 lbs chip steak or 2 lbs cube steaks, cut into strips 1 green pepper, cut into strips 1 red pepper, cut into strips 1 onion, thinly sliced 1/2 lb mushroom, sliced more to taste 1 tablespoon olive oil 3/4 teaspoon kosher salt 3/4-1 teaspoon fresh ground pepper 1/4 lb pepperoni, thinly sliced 8 ounces provolone cheese, thinly sliced saute mushrooms in olive oil until softened and light brown, about 5 minutes. add to crockpot along with the rest of the ingredients, except the provolone. cook on low for 6 hours. stir well, add to 6 bowls. cover with provolone and add some cooking juices to each bowl to melt the cheese.