*Test Kitchen Tip:
A hot knife will more easily cut through the marshmallows. Between cuts run your knife under hot water and pat with a paper towel to dry.
To Bake Ahead:
Place cookies in layers separated by waxed paper in an airtight container; cover. Store at room temperature for up to 3 days.
Blogger Variation by Christi Johnstone of Love From The Oven
For Christi's version, replace semisweet chips with mint-chocolate chips. Finish with decorative sprinkles.