A Zess Cookie is an item and recipe that appears in Paper Mario: The Thousand-Year Door. It is named after Zess T. herself and can be made by combining a Cake Mix with any of three items: Gradual Syrup, Maple Syrup, or Mystic Egg.
|First Ingredient||+||Second Ingredient|
|Cake Mix||+||Gradual Syrup|
|Cake Mix||+||Maple Syrup|
|Cake Mix||+||Mystic Egg|
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