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Four-layer chocolate cookie crunch drip cake with ganache

Midnight Cookie Crunch Drip Cake

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A tall four-layer chocolate cake filled and covered with silky cocoa buttercream, finished with glossy dark chocolate ganache and loaded with chocolate sandwich cookies, crisp wafer bars, chocolate-covered biscuit sticks, chocolate squares, and crunchy cookie crumbs.

 

The soft chocolate layers contrast with the crisp toppings, while hot coffee deepens the cocoa flavor without making the cake taste strongly of coffee.

  • Total Time: 3 hours 55 minutes
  • Yield: 1 tall 9-inch square cake, about 20 servings

Ingredients

Scale

Chocolate Cake

  • 3 cups (360 g) all-purpose flour
  • 1 cup (85 g) unsweetened cocoa powder
  • 2 1/2 cups (500 g) granulated sugar
  • 2 1/2 teaspoons baking soda
  • 1 1/2 teaspoons baking powder
  • 1 teaspoon fine salt
  • 4 large eggs, room temperature
  • 1 1/2 cups (360 ml) whole milk, room temperature
  • 3/4 cup (180 ml) neutral vegetable oil
  • 2 teaspoons vanilla extract
  • 1 1/2 cups (360 ml) hot brewed coffee or hot water

Chocolate Buttercream

  • 2 cups (454 g) unsalted butter, softened
  • 6 cups (720 g) powdered sugar, sifted
  • 3/4 cup (64 g) unsweetened cocoa powder, sifted
  • 1/2 cup (120 ml) heavy cream
  • 2 teaspoons vanilla extract
  • 1/4 teaspoon fine salt

Dark Chocolate Ganache

  • 12 oz (340 g) semisweet baking chocolate, finely chopped
  • 1 cup (240 ml) heavy cream

Cookie Crunch Decoration

To make the result much more repeatable, I would replace the vague decoration quantities from the original recipe with:

 

  • 8 chocolate sandwich cookies
  • 6 standard milk-chocolate wafer bars
  • 6 chocolate-covered biscuit sticks
  • 8 small milk or semisweet chocolate squares, about 80 g total
  • 1/2 cup (about 55–60 g) crushed chocolate sandwich cookies
  • 2 wafer bars, roughly broken into smaller pieces
  • 1/4 cup chocolate curls, optional

Instructions

  • Preheat the oven to 350°F (175°C). Grease two 9-inch square cake pans. Line the bottoms with parchment paper and lightly grease the paper.
  • In a large bowl, whisk together the flour, cocoa powder, sugar, baking soda, baking powder, and salt. Break up any visible cocoa lumps.
  • In a second bowl, whisk the eggs, milk, vegetable oil, and vanilla until combined.
  • Pour the wet mixture into the dry ingredients. Mix on low speed just until most of the flour disappears.
  • Slowly pour in the hot coffee while mixing on low speed. The batter will be thin. This is normal. Do not add extra flour.
  • Scrape the bottom and sides of the bowl and mix briefly until no dry pockets remain.
  • Divide the batter evenly between the two prepared pans. A kitchen scale gives the most even layers.
  • Bake for 30–35 minutes, or until the centers spring back lightly and a toothpick inserted into the middle comes out with a few moist crumbs but no wet batter.
  • Cool the cakes in their pans for about 15 minutes. Turn them onto wire racks and cool completely.
  • For four layers, wrap or cover the cooled cakes and chill them for 30–60 minutes. Level any domed tops. Use a long serrated knife to split each cake horizontally into two even layers.
  • Make the buttercream. Beat the softened butter for 3–4 minutes until pale and creamy.
  • Gradually mix in the sifted powdered sugar and cocoa powder on low speed.
  • Add the vanilla, salt, and most of the heavy cream. Beat for another 3–5 minutes until smooth and fluffy. Add extra cream, 1 tablespoon at a time, only if needed.
  • Place the first cake layer on a sturdy cake board with a small amount of buttercream underneath to stop it from sliding.
  • Spread an even layer of buttercream over the cake. Repeat with the remaining layers.
  • Apply a thin crumb coat over the entire cake. Refrigerate for 30–45 minutes.
  • Add the final layer of chocolate buttercream. Smooth the sides and sharpen the square corners as well as possible with a cake scraper.
  • Refrigerate the frosted cake for at least 30 minutes before adding ganache.
  • To make the ganache, place the finely chopped semisweet chocolate in a heatproof bowl.
  • Heat the heavy cream until steaming and just beginning to simmer around the edges. Do not let it boil aggressively.
  • Pour the cream over the chocolate. Leave it untouched for 3–5 minutes, then stir slowly from the center outward until smooth and glossy.
  • Let the ganache cool until it is fluid but no longer hot. Test a small drip on the back of the chilled cake.
  • If the drip runs directly to the bottom, wait a few more minutes. If it barely moves, gently warm the ganache for a few seconds.
  • Add different-length drips around the perimeter with a teaspoon, piping bag, or squeeze bottle.
  • Pour additional ganache over the center and gently spread it toward the edges.
  • Insert two or three tall wafer bars near the back of the cake at slightly different angles.
  • Add the chocolate-covered biscuit sticks between and around the tall bars.
  • Arrange whole chocolate sandwich cookies through the center.
  • Place shorter broken wafers and chocolate squares toward the front and lower areas.
  • Scatter crushed cookie crumbs and small wafer pieces across selected portions of the ganache.
  • Leave some glossy ganache visible. Do not cover the entire top.
  • For the closest match to the reference presentation, place a few cookie halves and chocolate pieces vertically around the lower outside edges of the cake.
  • Refrigerate until stable. Before serving, allow the cake to sit at room temperature briefly so the buttercream is creamy rather than hard.
  • Remove the tallest decorations before cutting. Use a long sharp knife and wipe the blade between slices

Notes

  • Do not add extra flour because the batter looks thin. The high liquid content is intentional.
  • Use room-temperature eggs and milk for more even mixing.
  • Coffee can be replaced with the same amount of hot water.
  • The coffee should be hot but does not need to be boiling.
  • Never split warm cakes. They will tear easily.
  • Chilling the layers before cutting makes four neat layers much easier.
  • Do not place warm ganache on soft buttercream.
  • Always test one ganache drip on the back of the cake first.
  • Chocolate bars used as decorations should not replace proper baking chocolate in the ganache.
  • Insert tall wafer bars and biscuit sticks into the frosting instead of simply balancing them on top.
  • Add the crispiest decorations reasonably close to serving time. Humidity from frosting and ganache gradually softens wafers and cookies.
  • The cake in the reference image is square, tall, chocolate-brown, four-layered, heavily decorated toward the back and center, with dark irregular drips and several decorations around the base. Keep these details consistent in future photography.
  • Author: Elian Cove
  • Prep Time: 1 hour 20 minutes
  • Additional Time / Chilling Time: 2 hours
  • Cook Time: 35 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Find it online: https://recipesmind.com/midnight-cookie-crunch-drip-cake/