# What You'll Need:
→ Cake
01 - 3 cups all-purpose flour
02 - 2 1/2 cups granulated sugar
03 - 1 tablespoon baking powder
04 - 1/2 teaspoon salt
05 - 1 1/4 cups unsalted butter, softened
06 - 1 cup whole milk, room temperature
07 - 1/2 cup sour cream, room temperature
08 - 5 large eggs, room temperature
09 - 2 teaspoons pure vanilla extract
→ Buttercream Frosting
10 - 1 1/2 cups unsalted butter, room temperature
11 - 6 cups powdered sugar, sifted
12 - 1/3 cup whole milk or heavy cream
13 - 2 teaspoons vanilla extract
14 - Pinch of salt
→ Gold Drip
15 - 1 cup white chocolate chips
16 - 1/3 cup heavy cream
17 - Edible gold luster dust
18 - 1 teaspoon vodka or clear extract
→ Decoration
19 - Fondant or chocolate mortarboard topper
20 - Gold sprinkles (optional)
# How to Make It:
01 - Preheat oven to 350°F. Grease and line a 12x18-inch sheet pan with parchment paper.
02 - In a mixing bowl, whisk together flour, baking powder, and salt.
03 - Using a stand mixer, cream butter and sugar until light and fluffy. Add eggs individually, mixing thoroughly after each addition. Blend in vanilla extract.
04 - Alternate adding dry mixture and milk with sour cream to the creamed ingredients, starting and finishing with dry mixture. Mix just until combined.
05 - Transfer batter to prepared pan and smooth surface. Bake for 30–35 minutes, or until a toothpick inserted in the center emerges clean.
06 - Set pan on wire rack and cool cake completely.
07 - Beat butter until creamy. Gradually add sifted powdered sugar, vanilla, and salt on low speed. Pour in milk or cream to achieve smooth consistency.
08 - Spread an even layer of buttercream over cooled cake, smoothing top and sides.
09 - Heat heavy cream until steaming and pour over white chocolate chips. Allow to sit for 2 minutes, then stir to form a smooth ganache. Let ganache cool until slightly thickened.
10 - Drip ganache along cake edges using a spoon or piping bag. Allow ganache to set.
11 - Mix edible gold luster dust with vodka or clear extract. Using a food-safe brush, paint over white chocolate drips for a gold finish.
12 - Position mortarboard topper in center. Optionally, embellish with gold sprinkles for festive effect.