01 -
Preheat the oven to 350 degrees and prep a large cookie sheet with parchment paper. Set aside.
02 -
In the bowl of the stand mixer fitted with a paddle attachment, whip up the cake mix, eggs, and oil until just combined.
03 -
Spread the sanding sugar out on a plate. Scoop up the cookie dough in a 1" cookie scoop and roll into a ball. Roll the cookie dough ball into the sanding sugar and place onto the prepared cookie sheet (about 3 inches apart).
04 -
Bake for 7-9 minutes, then let the cookies cool on a wire rack completely. Make the buttercream while the cookies bake and cool.
05 -
In the bowl of a stand mixer fitted with a paddle attachment, whip up the butter until it's light and fluffy. Add in the salt, vanilla, almond extract, and heavy cream and mix again. Add in the powdered sugar a little at a time until all of it has been added. Whip up on high speed for 2 minutes until it's light and fluffy. Add in a little more heavy cream if needed to thin it out.
06 -
Add the buttercream to a piping bag fitted with a circle tip, OR add the buttercream to a piping bag and snip off the end with no piping tip.
07 -
Pipe on a flat buttercream swirl in the center underside of the cookie and swirl it around to the edge. Place another cookie on top. Enjoy!