Donut cake with maple buttercream – Sugar Geek Show

Ingredients

• 14 ounces cake flour
• 12 ounces sugar
• 1 Tablespoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon cinnamon
• 1/2 teaspoon salt
• 1/2 teaspoon nutmeg
• 3 large eggs (room temperature)
• 4 ounces vegetable oil
• 10 ounces buttermilk (slightly warm)
• 4 ounces unsalted butter (softend but not melted)
• 2 ounces donut fat (or crisco)
• 2 teaspoons vanilla extract
• 2 ounces melted butter (for brushing onto baked layers)
• 32 ounces powdered sugar (sifted)
• 16 ounces unsalted butter (softened)
• 2 ounces maple syrup
• 1/2 teaspoon maple extract
• 1 teaspoon vanilla extract
• 1 teaspoon white food coloring (optional)
• 6 ounces white chocolate melts (Guittard Vanilla A'Peels)
• 1 ounce hot water
• 2 drops electric pink (food coloring)
• 2 drops white food coloring
• 1 large cake donut (storebought or homemade)
• 2 Tablespoons rainbow sprinkles