Make ahead tip: Cookies stay fresh covered at room temperature for up to 1 week. You can make the cookie dough and chill it in the refrigerator for up to 3 days. Allow to come to room temperature then continue with step 4. Baked cookies freeze well for up to 3 months. Unbaked cookie dough balls freeze well for up to 3 months. Bake frozen cookie dough balls for an extra minute, no need to thaw. Click here for my tips and tricks on freezing cookie dough.
Recipe Notes:
Room temperature egg is preferred. To bring egg to room temperature quickly, simply place in a cup of warm water for 5 minutes. I usually set out my egg when I set out my butter to soften about 1 hour before beginning.