Mocha Whipped Cream Filling (For Graham Cracker Cake)
Submitted by flurtuxable
Mocha whipped cream filling with heavy cream, cocoa, coffee zest, and Kahlua. A rich, piped filling and frosting for graham cracker cake that keeps 3 days refrigerated.
YIELD
8 servingsPREP
1 hrsCOOK
20 minREADY
2 hrsThis mocha whipped cream is built for layering between graham cracker cake layers and piping decorative dots on top. Heavy cream whipped with confectioner’s sugar, cocoa powder, concentrated coffee zest, and Kahlua (or Tia Maria) creates a frosting that’s airy but holds its shape under piping pressure.
The “coffee zest” is a homemade concentrate: 3 parts instant coffee crystals dissolved in 1 part boiling water. This tiny amount of intensely concentrated coffee adds a deep roasted flavor without adding enough liquid to thin the cream. Regular brewed coffee would water it down. The coffee zest keeps the whipped cream stable.
Chilling the bowl, beaters, and cream before starting is essential. Warm cream won’t whip to stiff peaks, and you need stiff peaks for piping. Beat on medium speed (not high) until the cream thickens, then finish by hand with a wire whisk. This gives you maximum control over the final consistency. Over-whipping turns cream grainy and eventually into butter.
The Kahlua adds a secondary coffee flavor plus a hint of sweetness that rounds out the cocoa’s bitterness. Two tablespoons is enough to taste without making the cream boozy.
Pro Tips
- Stop machine beating at soft peaks and switch to a wire whisk. Hand-finishing prevents over-whipping and gives you a smoother, more stable cream.
- Dust the finished cake with cocoa through a fine mesh strainer for an elegant presentation. Tap the strainer gently for an even, light coating.
- Remove from the fridge one hour before serving. Cold-from-the-fridge whipped cream is too stiff and the mocha flavor comes through better at cool room temperature.
- Store leftovers under a foil tent (not plastic wrap) in the fridge for up to three days.
Variations
- Dark mocha: Use Dutch-process cocoa for a deeper, less acidic chocolate flavor.
- Amaretto version: Swap the Kahlua for amaretto liqueur for an almond-mocha combination.
Ingredients
Directions
Pour cream into a well-chilled mixing bowl.
Beat in an electric mixer fitted with chilled beaters or whip attachment.
Stir in the confectioner’s sugar and cocoa and beat on medium speed until the cream begins to thicken.
Add the coffee zest and liqueur.
Continue whipping until cream reaches the soft peak stage, and remove from the mixer.
Finish beating by hand using a wire whisk, whipping until cream is quite thick but not grainy.
Refrigerate.
Note: to make coffee zest, add 3 parts coffee crystals to 1 part boiling water.
To assemble the cake, split each layer into halves.
Set the first layer on a serving plate, top side down.
Fit a 14-inch pastry bag with a large number 5 plain tube, and fill it ⅓ full with mocha whipped cream.
Starting ½ inch from the edge, pipe a circle of cream around the top of the layer.
Fill center of the circle with additional cream, smoothing surface with a large metal offset spatula.
Repeat with the second and third layers, placing them cut side up.
Arrange the top layer cut side down, aligning layers so the sides of the cake are even.
Empty the remaining whipped cream into the pastry bag.
Pipe ½ inch whipped cream dots on the top layer, beginning at the outer edge.
Each dot should touch the preceding one, forming a ring.
Continue working toward the center of the cake until the entire surface is covered.
Place ½ teaspoon cocoa in a very fine mesh strainer.
Gently tap the strainer over the surface of the cake to give it a light dusting of cocoa.
Place the cake in the refrigerator uncovered to chill, but remove from refrigerator at least 1 hour before serving.
Storage: Store leftover cake in the refrigerator under a foil tent.
This cake will keep for up to three days.
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