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DIY Wedding Cake: Berry Wedding Sheet Cake

A little while back we shared a fantastic recipe for a rather delicious Peekaboo layer wedding cake from the guys at and, as Tuesday seems to me very much like a good day for cake (although Wednesday through Monday are also extremely good cake days!) we thought it was about time we shared another salivating recipe! So this time it’s the turn of a bake-off worthy Berry Wedding Sheet cake… YUM!!! Over to Wayfair to explain how it’s done…


Something old, something new, something borrowed, something blue. Brimming with fresh blueberries and blackberries, this two-tiered sheet cake has you covered for something blue! The delightful design couldn’t be easier—a striped pattern in the buttercream frosting adds interest to the sides, while fresh greenery dresses up the base. No blue in your wedding colors? It would look just as sweet in romantic red. Just imagine it overflowing with raspberries and strawberries. We love this cake for a preppy summer wedding, but with the right cake topper and greenery, it can work with any style! Get our super simple, step-by-step instructions for recreating this wedding cake below.


Cost: about $65

Serves: about 80 guests


  1. 2 12×18-inch sheet cakes
  2. 2 10×12-inch sheet cakes
  3. Buttercream frosting
  4. 2 pints of washed blueberries
  5. 1 pint of washed blackberries
  6. Non-toxic greenery


  1. Begin by placing one of the large sheet cakes on a cake board or serving platter. Using an offset spatula, spread a thin layer of buttercream over the top.
  2. Repeat the process with the second large sheet cake and then the two smaller sheet cakes, ensuring they’re centered on the base tier.
  3. For additional support, insert wooden dowels through all the layers of the cake or use corrugated cake boards between each tier.
  4. Once the cake is assembled, spread a thin layer of frosting over the entire cake, beginning at the top, and working your way down. This is known as a crumb coat.
  5. Chill the cake to set the crumb coat before moving the the final frosting step.
  6. Spread frosting over the crumb coat, taking care to smooth out the top. Then use your offset spatula to swipe a ribbed design on the sides of the cake.
  7. Keep the frosted cake cool before decorating and serving.
  8. When it’s time to display the cake, fill the exposed top of the bottom tier with blueberries. Also add a pile of blueberries to the middle of the top layer. Then, evenly distribute the blackberries over the blueberries.
  9. Decorate the base of the cake with the greenery, carefully tucking the stems into the bottom layer.
  10. Finish with a hand-crafted, paper banner cake topper.

Our Cake & Frosting Recipe Picks
Many grocery stores and bakeries will let you purchase baked, unfrosted sheet cakes, but if you’re handy in the kitchen, it’s a piece of cake to bake them yourself! We love Smitten Kitchen’s recipes for Chocolate Butter Cake and Vanilla Buttermilk Cake.

Savory Sweet Life has an straightforward and delicious recipe for Classic Vanilla Buttercream Frosting. For a snow white version, try substituting the unsalted butter for shortening and adding a 1/2 teaspoon of butter for flavoring. Using clear vanilla extract and butter flavoring will also help prevent your frosting from becoming slightly tinted.



To give your cake a clean, professional look, level the cake before frosting. Use a serrated knife to carefully trim off any uneven or bulging sections of cake. Be sure to keep the knife level as you cut.
You can find the original recipe from Wayfair here:


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