Preheat oven to 350

Cook bacon, set aside

Dice onion

Core, rinse and dice mushrooms

Saute onion, mushroom in 2 tblsp of bacon grease

Add cooked bacon

Transfer to bowl and let cool

Add bread crumbs

Once cool, add 1 egg

Soak mushrooms in olive oil

Add stuffing

Sprinkle parmesan cheese

Drizzle olive oil over the tips of mushrooms

Bake until mushroom get watery, shrinksand the parmesan melts.