01 -
Preheat oven to 350°F. In a large bowl, combine the devil’s food cake mix, eggs, and vegetable oil until a cohesive dough forms. Portion dough into evenly sized balls, arranging them on a parchment-lined baking sheet with space between each.
02 -
Bake in the preheated oven for 10 to 12 minutes, until the cookies are just set. Cool completely on a wire rack before assembling.
03 -
In a medium bowl, beat the softened cream cheese until smooth. Add marshmallow fluff, vanilla extract, and a pinch of salt. Mix until light and fluffy. Evenly divide the filling into two bowls and tint each with red or green gel food coloring as desired.
04 -
Spread a generous layer of marshmallow filling onto the flat side of half the cookies. Top with remaining cookies to form sandwiches, gently pressing together.