To create the maple cinnamon ice cream base, mix together the milk, maple syrup, vanilla extract, cinnamon, and a pinch of salt. Freeze this mixture for 24 hours.
For the oatmeal cookie dough, combine the melted butter, light brown sugar, milk, vanilla extract, oat flour, old fashioned oats, salt, ground cinnamon, and mini chocolate chips in a bowl.
Stir all the cookie dough ingredients until they come together into a smooth dough.
Chill the cookie dough mixture in the refrigerator until it firms up.
Once chilled, break the cookie dough into small pieces.
In your ice cream maker, use the mix-in setting to add the broken cookie dough pieces to the frozen ice cream base.
