It's a Greek thing, skordalia.
Basically, mashed potatoes, garlic and vinegar.
You can add olive oil.
It is a dip/spread thing.
It is also Gourmet-O-Matic (tm)-able.
Base - potato (any type), bean, legumes, nuts
Flavor - garlic, onion/shallot/scallion, ginger, salsa
Oil - olive, walnut, macadamia, etc.
Acid - vinegar, fruit juice (e.g., lime, lemon), wine
Dippin' stuff - crackers, bread, sticks, crudite
Gooood.