Costco's fanbase has recently taken to Reddit to share thoughts on the DJ&A Shiitake Mushroom Crisps (140 calories per serving), a ready-to-eat mushroom snack that is lightly cooked and seasoned.

Drain the porcini mushrooms (save the water they’ve been soaking in) and add them to the frying pan along with the shiitake mushrooms. Fry for 4 minutes. Add 4 tablespoons of the porcini soaking ...