Beginner slow-cookers and seasoned veterans alike need to know how to employ their Crock-Pots to make party-ready appetizers beyond queso dip, and that’s why we developed this stuffed mushroom recipe. It’s loaded with a spinach-artichoke blend that gets blitzed in your food processor before being dolloped onto each mushroom cap. Don’t let the list of ingredients intimidate you: This recipe really couldn’t be easier, and it only takes two hours to be party-ready.