Upside-down cake
From Tardis Wiki, the free Doctor Who reference
Upside-down cake was a variety of cake.
For Panda's birthday, Iris Wildthyme and Seņor 105 made him a Bamboo Upside-down Cake. (PROSE: Deleted Scene from 'Iris Wildthyme and the Key Lime Pie 2 Time' - 'Part 3: The Stones of Blood')
