Temmie Flakes are a consumable item sold at the Tem Shop. The Temmie Shopkeeper sells four "varieties" of this item but they are all identical once purchased. On the Genocide Route, "Premiem" Temmie Flakes replace the option to pay for the Temmie Shopkeeper's college education, preventing the protagonist from obtaining the Temmie Armor.
- Feeding a Temmie Temmie Flakes in battle results in Temmie becoming spareable.
- If the protagonist refuses to give Temmie tem flakes after selecting the option in the ACT menu, Temmie becomes aggressive and exclaims "Can't blame a bark for tryin...." The sound effect grandpatemi plays during this interaction.