Slow Cooker Philly Cheese Steak Sandwiches - Ingredients: 2 1/2 to 3 pounds beef round steak 2 green peppers, sliced thin 2 onions, sliced thin 3 cups beef stock 2 teaspoons garlic salt 2 teaspoons black pepper 1 envelope dry Italian dressing mix 1 to 2 large loaves French bread, sliced into sandwich lengths or 6 to 8 hoagie buns Provolone cheese …