Production- advertisment planing

I sketched the idea of incorporating mixed media by taking a angle mid shot of a scene of brownies being decorated by a cut out of a hand frosting them.

I want to include a puff or a small image that shows the same hand frosting the brownies hold up a jar of the frosting against a bright blue background, similar to those images I was originally inspired by

This would be the design of the brownies and how they would be frosted, inspired by Santa Clause's traditional outfit