For the glowing scary cookies, first mix flour with cocoa for the cocoa shortbread and sift onto a work surface. Add the remaining ingredients in order and knead into a dough with your hands. Refrigerate, wrapped in plastic wrap, for about 40 minutes.
Roll out the dough on a lightly floured work surface to about 3 mm thick. Cut out bottoms and tops with Halloween cutters (approx. 7 cm Ø) and place on two lightly greased baking sheets.
Place one tray in the middle of the preheated oven.Top/bottom heat: 180 °Hot air: 160 °CBaking time: approx. 9 minutes
Repeat the baking process with the remaining cookies.
For the cream cheese, place the ingredients in a mixing bowl in order, mix and divide into 3 parts.
For the green filling, briefly heat the jello over steam (water bath) or in the microwave. Mix 1/3 of the cream with liquid Jell-O and food coloring until desired shade.
For the red filling, briefly heat the Jell-O over steam (water bath) or in the microwave. Mix 1/3 of the cream with liquid Jell-O and red fruit jelly. Mix the remaining third with fruit puree.
Assemble the luminous scary cookies with cream when it starts to gel.