Philly Cheesesteak Stuffed JalapeƱo Popper... Philly Cheesesteak Stuffed Jalapeno Popper Ingredients 12 jalapeno peppers, washed 1/2 lb leftover steak (you could really use any beef), diced or crumbled 1/2 large yellow onion, diced 1/2 stick butter Salt Provolone or Mozzarella cheese Instructions Visit: [url href="http://www.dixiechikcooks.com/philly-cheesesteak-stuffed-jalapeno-poppers/" target="_blank"]dixiechikcooks.com[/url] 3.2.2124