This page uses data from the Miitopia Param Info spreadsheet, compiled by PibPasquale, Kobazco, and UglyFrenchFry.
The Strata Sundae is a multiple-layer chocolate ice cream sundae with said-layers appearing similar to dirt. There a small scoop of chocolate ice cream and two dark-chocolate mole hairs on top, making it appear similar to a Mole's head. There's also a vanilla cream ring around the scoop. It's served in a tall glass.