To guarantee consistent baking, preheat your oven to 350°F (175°C).
In a large mixing basin, combine the oats, baking powder, and salt.
As a binder, combine applesauce or mashed bananas in a different bowl.
Stirring until combined, gradually add the wet ingredients to the dry mixture.
For more flavor, stir in optional additions like raisins, cinnamon, or vanilla.
Create tiny, uniform cookie forms by scooping dough onto a baking sheet.
To set the cookies, bake them for 12 to 15 minutes and then let them cool.