Russian frosting tips and leftover fondant

Boxed cake mix + Wilton recipe for buttercream frosting + leftover marshmallow fondant = bouquet of flowers and succulents. 

Russian frosting tips allow you to make fully-formed flowers with a single pinch of frosting. The rose option is my personal favorite, and I like to use the saran wrap technique to add a pop of extra color to the center of a frosting bag.