Make sure the buttercream frosting is smooth on the surface and even on all sides and keep the edges clean.
Stick to neutral colours to create a minimalistic look without making it too flashy.
Use only subtle minimal decorations with flowers, buttercream, and edible pearls.
Use minimal gold, silver and glitter accents to add a bit of extravagance without making it showy.
Choose light colours, a black and white scheme, or an ombre gradient to bring volume to the cake
Embrace negative spaces as an element of the cake and leave some areas undecorated to bring that minimal charm.