In a large mixing bowl, whisk together all the dry ingredients.
Add in the wet ingredients and stir until it becomes too difficult to stir the dough together.
Knead with your hands. Add any additions you want to add if doing so.
Scoop the dough out onto parchment lined cookie sheets.
Flatten the cookies with your hand.
Bake for 15-20 minutes. Cool completely before eating.
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Notes
Please note that the nutrition data below is a ballpark figure. Exact data is not possible. Also note that the data is only for the plain, oatmeal cookies. It does not include flavor additions.