This page uses data from the Miitopia Param Info spreadsheet, compiled by PibPasquale, Kobazco, and UglyFrenchFry.
Geothermal Pizza is a delicious-looking pizza that's cut into a traditional triangle slice. It has toppings of salami or pepperoni, melted cheese and sliced black olives. It appears to have a nice, crunchy crust.
(Has sparkles, only V. Rare foods have this.)