If you are making your own candy eyeballs for the decor, you will have to do this one day in advance. See recipe instructions for how to make them
For the mummy cakes preheat the oven to 350°F & lightly spray your Twinkie Mold with pan spray
Place all of the dry cake ingredients including the sugar(s) into a large mixing bowl & whisk to distribute evenly
Add all the wet ingredients including the applesauce into the dry ingredients & whisk smooth. Continue whisking for about 40 strokes to develop the batter
Scoop batter with a 2 ounce cookie scoop evenly between the greased cavities of the Twinkie mold
Bake in a preheated oven at 350°F for 18-20min or when a toothpick inserted into the center comes out clean.
Cool the cakes in the pans until you can safely flip them onto a cooling rack to cool to cold
Meanwhile prepare the lower sugar buttercream recipe according to the instruction *& video on that recipe post
Watch the video tutorial for how to fill the cakes with jam & decorate the mummy cakes