French a pork tenderloin evenly and lay it out flat

Season with salt & pepper

Mix diced mushrooms with 1/2 can of mushroom soup

Spread soup/mushroom on frenched loin, top with bacon slices

Wrap loin around filling and lace with butcher twine

Preheat oven to 375

Place in a roaster with a lid and pour remainder of soup over top

Cook for 45 minutes with lid on, then remove lid, sprinkle with parmesan and broil until cheese begins to brown.