Ensure that your cookies are cool before decorating. Start by prepping your fondant “bandages.” Line a baking sheet with wax paper and set aside.
Lightly dust a clean working surface with cornstarch. Also, add some on your rolling pin.
Roll out your fondant so that it’s about 1/4 of an inch thick. Cut into long strips and set carefully on your lined baking sheet.
Time for the buttercream: using an electric mixer, beat butter, confectioners’ sugar, and milk on medium speed. Gradually increase to high until smooth. Your buttercream is ready once it forms semi-stiff peaks.
Using an offset spatula, spread buttercream on each cookie.
At the top of your cookie, around where you’d place your mummy’s eyes, spread a small dollop of black decorating icing. Top it with your candy googly eyes.
This is where the fun starts: start spreading your fondant strips on random parts of your cookies. Trim where necessary.