Ingredients
| 2 1/4 | cups shortening, divided |
| 2 2/3 | cups brown sugar |
| 4 | eggs |
| 2 | teaspoons vanilla |
| 2 1/4 | cups flour |
| 2 | teaspoons cinnamon |
| 1 1/2 | teaspoons baking powder |
| 1 1/2 | teaspoons baking soda |
| 1 | teaspoon salt |
| 1/4 | teaspoon nutmeg |
| 4 | cups oats |
| 3 | cups powdered sugar |
| 1 | 7-ounce jar marshmallow creme |
| 1 | tablespoons milk (1-3 tablespoons) |
Instructions
Mix 1½ cup shortening together with brown sugar, eggs, vanilla, flour, cinnamon, baking soda, salt, nutmeg and oats. Mix well, then drop cookie-scoop-size balls on a greased cookie sheet, spaced 2 inches apart. Bake at 350 degrees F for 10-12 minutes. Cool. Mix ¾ cup shortening, powdered sugar, marshmallow creme and milk. Spread on the bottom of half of the cookies and top with remaining cookies to make a sandwich.
