Classic Bumpy Cake
A nostalgic Midwest dessert, Classic Bumpy Cake features a moist chocolate cake topped with thick vanilla buttercream ‘bumps’ and covered in a rich, glossy fudge icing. A bakery-style treat that feels like pure indulgence.
- Author: Ava
- Prep Time: 25 minutes
- Cook Time: 35 minutes
- Total Time: 1 hour
- Yield: 12 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
- All-Purpose Flour: 2 cups
- Granulated Sugar: 2 cups
- Cocoa Powder: ¾ cup unsweetened
- Baking Powder: 2 teaspoons
- Baking Soda: 1 teaspoon
- Salt: ½ teaspoon
- Buttermilk: 1 cup
- Vegetable Oil: ½ cup
- Eggs: 2 large
- Vanilla Extract: 2 teaspoons
- Hot Coffee: 1 cup
- Unsalted Butter (for buttercream): ½ cup softened
- Powdered Sugar: 2 cups
- Milk: 2 tablespoons
- Vanilla Extract: 1 teaspoon
- Granulated Sugar (for fudge icing): 2 cups
- Evaporated Milk: 1 cup
- Unsalted Butter: ½ cup
- Cocoa Powder: ½ cup unsweetened
- Vanilla Extract: 1 teaspoon
- Preheat Your Equipment: Preheat oven to 350°F (175°C). Grease and flour a 9×13-inch pan.
- Combine Ingredients: Whisk flour, sugar, cocoa, baking powder, baking soda, and salt. In another bowl, whisk buttermilk, oil, eggs, and vanilla. Stir wet into dry, then add hot coffee until smooth.
- Prepare Your Cooking Vessel: Pour batter into pan and smooth top.
- Assemble the Dish: Bake 30–35 minutes, until a toothpick comes out clean. Cool completely.
- Cook to Perfection: Beat butter, powdered sugar, milk, and vanilla for buttercream. Pipe thick ridges across cooled cake. Chill 20 minutes.
- Finishing Touches: For fudge icing, simmer sugar, evaporated milk, butter, and cocoa for 2–3 minutes. Remove from heat, stir in vanilla, and pour warm icing over cake.
- Serve and Enjoy: Let icing set slightly before slicing. Enjoy with coffee or milk.
Notes
- Tip: Chill buttercream bumps before pouring icing so they hold shape.
- Tip: Use hot coffee for richer chocolate flavor.
- Tip: Slice cake with a warm knife for neat edges.
- Tip: Freeze slices individually for easy grab-and-go desserts.
Nutrition
- Serving Size: 1 slice
- Calories: 480
- Sugar: 55g
- Sodium: 290mg
- Fat: 22g
- Saturated Fat: 12g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 68g
- Fiber: 3g
- Protein: 6g
- Cholesterol: 65mg
Keywords: bumpy cake, classic cake recipe, chocolate fudge cake, buttercream cake, Midwest desserts