An oatmeal raisin cookie is an example of?

It's more specific than that though! It's also an example of:

* A baked good: It's made by baking ingredients together.

* A sweet treat: It's typically eaten for dessert or as a snack.

* A classic cookie: It's a familiar and beloved cookie variety.

* A cookie with added ingredients: It has oats and raisins in addition to the typical cookie ingredients.