The Portobellini mushroom is just another size variation of the well-know portobella (portabella) mushroom. The Portobellini is larger than a crimini but smaller than it's big brother the portobella.
Whichever size you use, this recipe is amazing with all the Bacon!
Click here for this recipe: https://www.iol.co.za/lifestyle/food-drink/recipes/quick-and-easy-bacon-wrapped-stuffed-portabellinis-11538089