Roll out the fondant ⅛ in/0.3 cm thick. Carefully cover the cake with the fondant and smooth the top and sides. Trim the fondant from the bottom edge of the cake.
Place the cake on the cake board.
Massage a bit of green food coloring into the remaining white fondant and roll tapered ropes for branches in lengths from 2 to 4 in/5 to 10 cm. Each rope sh