Measure out flour, baking soda, nutmeg, salt, oats, and chocolate chips all in one bowl. Reserve.
In a mixer, cream butter and sugars until fluffy and lighter in colors (about 5 minutes). Add eggs and mix until fully incorporated.
Dump entire bowl of dry ingredients and mix just until combined. Do not overmix.
Using an ice cream scoop and small tray, scoop cookies onto tray and freeze for 1-2 hours. Remove cookies from tray and divide into labeled freezer bags. Now they'll be ready for when you are ready to bake!
Baking Instructions: heat oven to 350F, placing cookies on greased sheet tray with enough space in between. Bake for 12-20 minutes, depending on your oven, until golden brown.