Dive into nostalgia with our Bumpy Cake recipe, a classic American dessert that's been delighting taste buds for generations. Layers of moist chocolate cake, creamy buttercream, and a signature bumpy chocolate topping come together to create a sweet treat that's as charming as it is delicious.
7. Bake for 28-32 minutes or until a toothpick inserted in the center comes out clean and the edges just begin to pull away from the pan.8. Remove from oven and cool for 30 minutes before putting in the freezer for one hour.
11. Place into a large piping bag and snip the tip to about 1/2" in diameter.12.Pipe buttercream across the short edge of the cake, keeping the bumps about 1 inch apart. Freeze for an additional 30 minutes.
13. Add buttermilk, corn syrup, butter, cocoa and salt in a large saucepan. Heat over medium heat, whisking frequently until smooth. Bring mixture to a boil and boil for 2 minutes, until the bubbles snap and pop. Reduce heat to low and whisk in powdered sugar and vanilla until smooth.