Rhuby Tuber is a Special Pie that can be selected by players to be the "Special of the Day" in Papa's Bakeria. Customers coming in can choose this special instead of their regular order. Customers who ask for the Rhuby Tuber will give 2.2x 
.
Recipe
- Butterscotch Smooches (inner ring)
- Chocolate Crumb Topping
- Purple Yam Filling
- Purple Yam Filling
- Rhubarb Filling
- Rhubarb Filling
- Gingersnap Crust
Trivia
- The name "Rhuby Tuber" derives from rhubarb and tuber, another name for a potato or yam. It is also a pun on the real-life restaraunt Ruby Tuesday.
- Sticker 61 "Rhuby Rudy Tuber" is earned by serving a Rhuby Tuber Special to Rudy