Assemble the Cake
Step 5
Once the cakes are completely cool, place one layer on a serving plate. Spread a layer of pistachio buttercream on top, then add the second layer. Frost the top and sides of the cake with the remaining buttercream.
Once the cakes are completely cool, place one layer on a serving plate. Spread a layer of pistachio buttercream on top, then add the second layer. Frost the top and sides of the cake with the remaining buttercream.