Graduation Cake Floral Gold (Print Version)

A layered vanilla sponge with silky buttercream, adorned with delicate flowers and gold leaf for a special occasion.

# What You'll Need:

→ Vanilla Sponge Cake

01 - 2 1/2 cups all-purpose flour
02 - 2 1/2 teaspoons baking powder
03 - 1/2 teaspoon salt
04 - 1 cup unsalted butter, room temperature
05 - 2 cups granulated sugar
06 - 4 large eggs, room temperature
07 - 1 tablespoon vanilla extract
08 - 1 cup whole milk

→ Swiss Meringue Buttercream

09 - 5 large egg whites
10 - 1 1/4 cups granulated sugar
11 - 1 1/2 cups unsalted butter, room temperature, cubed
12 - 2 teaspoons vanilla extract
13 - Pinch of salt

→ Decoration

14 - Edible gold leaf sheets
15 - Assorted edible flowers such as pansies, violets, and roses
16 - Gold ribbon, optional

# How-To Steps:

01 - Preheat oven to 350°F. Grease and line three 8-inch round cake pans with parchment paper.
02 - In a bowl, whisk together flour, baking powder, and salt. Set aside.
03 - In a large mixing bowl, beat butter and sugar until light and fluffy, approximately 3 minutes.
04 - Add eggs one at a time, beating well after each addition. Mix in vanilla extract.
05 - Alternate adding the flour mixture and milk, beginning and ending with flour. Mix just until combined.
06 - Divide batter evenly among prepared pans. Smooth tops.
07 - Bake for 28 to 32 minutes, or until a toothpick inserted in the center comes out clean.
08 - Cool cakes in pans for 10 minutes, then turn out onto wire racks to cool completely.
09 - Combine egg whites and sugar in a heatproof bowl over simmering water. Whisk constantly until sugar dissolves and mixture reaches 160°F, approximately 5 minutes.
10 - Transfer to a stand mixer and beat on high until stiff peaks form and the bowl is cool to the touch, approximately 8 to 10 minutes.
11 - Reduce speed to medium, add butter a few cubes at a time, mixing until smooth. Add vanilla and salt.
12 - Place one cake layer on a serving plate. Spread with buttercream. Repeat with remaining layers. Cover the cake with a thin crumb coat, chill for 20 minutes, then apply a final smooth layer of buttercream.
13 - Carefully apply edible gold leaf to sections of the cake using a food-safe paintbrush.
14 - Arrange edible flowers decoratively on the cake. Add a gold ribbon around the base if desired.

# Expert Advice:

01 -
  • The vanilla sponge is forgiving enough for home bakers but impressive enough to make people think you trained at culinary school.
  • Swiss meringue buttercream is silkier and less cloyingly sweet than American buttercream, letting the cake's flavor shine through.
  • Edible flowers and gold leaf are easier to work with than they sound, and they instantly transform an ordinary cake into something memorable.
02 -
  • Egg whites must reach exactly 160°F for food safety if anyone eating the cake is pregnant, very young, elderly, or immunocompromised—this kills potential pathogens without cooking the meringue solid.
  • Swiss meringue buttercream can look separated and broken right after adding butter, but keep mixing steadily and it will come together; panic is your only real enemy here.
  • Edible flowers must be sourced from growers who cultivate them specifically for consumption, never from florists or garden centers, since ornamental plants are treated with pesticides and fungicides.
03 -
  • Weigh your flour if you possibly can; measuring by volume leads to too much flour and a drier cake, which matters when you're stacking and frosting.
  • Chill the assembled cake for at least twenty minutes between the crumb coat and final frosting layer—this sets the crumbs and prevents them from mixing into your final coat, ensuring a pristine surface for gold leaf.
  • Keep the buttercream slightly cool but still soft when frosting; work in a cool kitchen if possible, and refrigerate the filled cake for thirty minutes before decorating with flowers and gold.
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