Directions to follow
- Preheat your oven to 350°F (175°C) and grease a 9-inch round cake pan.
- In a large bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt until well combined.
- Add the vegetable oil, buttermilk, eggs, and vanilla extract to the dry ingredients. Mix until the batter is smooth and well blended.
- Pour the batter into the prepared cake pan and bake for 30-35 minutes or until a toothpick inserted into the center comes out clean.
- Once baked, let the cake cool completely in the pan before transferring it to a wire rack.
- After it’s cooled, spread a generous layer of chocolate frosting over the top of the cake.
- In a separate bowl, combine the cornflakes with the melted chocolate, ensuring they are fully coated.
- Sprinkle the chocolate-covered cornflakes over the frosted cake for that delightful crunch.
- Slice, serve, and enjoy your delicious creation!
Best ways to enjoy it
Serving this cake is almost as fun as making it! For the best presentation, consider plating it on a decorative cake stand and garnishing with fresh berries or a dusting of powdered sugar. You might also pair it with a scoop of vanilla ice cream or serve it alongside a hot cup of coffee for a delightful afternoon treat.
Storage and reheating tips
To keep leftovers fresh, store any uneaten cake in an airtight container at room temperature for up to three days. If you’d like to store it longer, you can wrap slices in plastic wrap and freeze for up to a month. When reheating, allow it to thaw at room temperature, and if desired, give a quick zap in the microwave for a few seconds before enjoying.
Helpful cooking tips
Here are a few extra tips to make your Crunchy Chocolate Layer Cake even better:
- Ensure your ingredients are at room temperature for easier mixing.
- Check the doneness of your cake by gently pressing the center; if it springs back, it’s ready!
- Feel free to add chocolate chips to the batter for an extra chocolaty kick!
Creative twists
Looking to put your spin on this cake? Try swapping the chocolate frosting with peanut butter frosting for a unique flavor combination, or add a layer of fresh fruit between the cake and frosting. You could even experiment with different types of cereal for the topping, like crispy rice or fruity flakes, to keep things exciting!

Your questions answered
How long does it take to prepare this cake?
- The total time should be around 1 hour, including preparation and baking.
Can I substitute buttermilk?
- Yes! To make your own buttermilk, simply mix 1 cup of milk with 1 tablespoon of vinegar or lemon juice and let it sit for about 5-10 minutes.
How should I store the cake?
- Store it in an airtight container at room temperature for 3 days or freeze for a month, wrapped tightly in plastic.
With its indulgent layers and delightful crunch, this crunchy chocolate layer cake is a must-try for any occasion. Happy baking!






