The cake and the cream filling. The pumpkin cake in my recipe is ... In a medium bowl, add butter and mix with mixer until it looks smooth and creamy. Slowly add powdered sugar, marshmallow cream, and ...
Add the marshmallow creme and beat until combined. Scrape the filling into a resealable plastic bag and snip a corner. Pipe a large dollop of filling onto the flat side of half of the cookies.
With mini candy jack-'o-lanterns, cookie gravestones, and marshmallow ... plan on using frosting as decoration, you may want to refrigerate the cake until serving time, lest the cream melts ...