Every single one of us.
From Ôn and Mệ (our paternal grandparents) that would give us Andes chocolates as goodies….
To our Folks…(particularly Dad these days…)
To all five Sibbies…
and especially all of our Munchkins.
So when we discovered the Triple Chocolate Mousse Cake from Porto’s Bakery –it became a staple at our celebrations!
A rich chocolate cake layer base….
Topped by a chocolatey mousse layer…
Then topped with another white chocolatey mousse layer.
A while back, seester asked me to make a version of our beloved cake. Which was perfect timing because I had just stumbled across a version by Cooks Illustrated that I really wanted to try out.
Their recipes are very specific and detailed….but for this recipe, not difficult at all. Just takes some time. Trust the process, it’s so worth it.
Oh–and don’t skimp out on the quality chocolate peeps. Since it’s the star of the show, indulge a bit.
The bottom layer is a flourless chocolate cake.
Decadent and delicious.
The second layer, is a rich and scrumptious bittersweet chocolate mousse.
So velvety divine.
Next is the fluffy white chocolate mousse layer — airy and dreamy.
And don’t forget the chocolate shavings to garnish!
And now that I’m looking at these pictures — I’m wondering why the heckI haven’t made it recently again?! Must fix that soon!
Happy Chocolate Dreams!!! ❤
Triple-Chocolate Mousse Cake
6 tablespoons (3/4 stick) unsalted butter, cut into 6 pieces, plus extra for greasing pan
7 ounces bittersweet chocolate, chopped fine
¾ teaspoon instant espresso powder
1½ teaspoons vanilla extract
4 large eggs, separated
pinch table salt
⅓ cup packed (about 2 1/2 ounces) light brown sugar, crumbled with fingers to remove lumps
2 tablespoons cocoa powder, preferably Dutch-processed
5 tablespoons hot water
7 ounces bittersweet chocolate, chopped fine
1½ cups cold heavy cream
1 tablespoon granulated sugar
⅛ teaspoon table salt
¾ teaspoon powdered gelatin
1 tablespoon water
6 ounces white chocolate chips
1½ cups cold heavy cream
Shaved chocolate or cocoa powder for serving, optional
FOR THE BOTTOM LAYER:
Adjust oven rack to middle position and heat oven to 325 degrees. Butter bottom and sides of 91/2-inch springform pan. Melt butter, chocolate, and espresso powder in large heatproof bowl set over saucepan filled with 1 inch of barely simmering water, stirring occasionally until smooth. Remove from heat and cool mixture slightly, about 5 minutes. Whisk in vanilla and egg yolks; set aside.
In stand mixer fitted with whisk attachment, beat egg whites and salt at medium speed until frothy, about 30 seconds. Add half of brown sugar and beat until combined, about 15 seconds. Add remaining brown sugar and beat at high speed until soft peaks form when whisk is lifted, about 1 minute longer, scraping down sides halfway through. Using whisk, fold one-third of beaten egg whites into chocolate mixture to lighten. Using rubber spatula, fold in remaining egg whites until no white streaks remain. Carefully transfer batter to prepared springform pan, gently smoothing top with offset spatula.
Bake until cake has risen, is firm around edges, and center has just set but is still soft (center of cake will spring back after pressing gently with finger), 13 to 18 minutes. Transfer cake to wire rack to cool completely, about 1 hour. (Cake will collapse as it cools.) Do not remove cake from pan.
FOR THE MIDDLE LAYER:
Combine cocoa powder and hot water in small bowl; set aside. Melt chocolate in large heatproof bowl set over saucepan filled with 1 inch of barely simmering water, stirring occasionally until smooth. Remove from heat and cool slightly, 2 to 5 minutes.
In clean bowl of stand mixer fitted with whisk attachment, whip cream, granulated sugar, and salt at medium speed until mixture begins to thicken, about 30 seconds. Increase speed to high and whip until soft peaks form when whisk is lifted, 15 to 60 seconds.
Whisk cocoa powder mixture into melted chocolate until smooth. Using whisk, fold one-third of whipped cream into chocolate mixture to lighten. Using rubber spatula, fold in remaining whipped cream until no white streaks remain. Spoon mousse into springform pan over cooled cake and gently tap pan on counter 3 times to remove any large air bubbles; gently smooth top with offset spatula. Wipe inside edge of pan with damp cloth to remove any drips. Refrigerate cake at least 15 minutes while preparing top layer.
FOR THE TOP LAYER:
In small bowl, sprinkle gelatin over water; let stand at least 5 minutes. Place white chocolate in medium bowl. Bring ½ cup cream to simmer in small saucepan over medium-high heat. Remove from heat; add gelatin mixture and stir until fully dissolved. Pour cream mixture over white chocolate and whisk until chocolate is melted and mixture is smooth, about 30 seconds. Cool to room temperature, stirring occasionally, 5 to 8 minutes (mixture will thicken slightly).
In clean bowl of stand mixer fitted with whisk attachment, whip remaining cup cream at medium speed until it begins to thicken, about 30 seconds. Increase speed to high and whip until soft peaks form when whisk is lifted, 15 to 60 seconds. Using whisk, fold one-third of whipped cream into white chocolate mixture to lighten. Using rubber spatula, fold remaining whipped cream into white chocolate mixture until no white streaks remain. Spoon white chocolate mousse into pan over middle layer. Smooth top with offset spatula. Return cake to refrigerator and chill until set, at least 2½ hours.
If using, garnish top of cake with chocolate curls or dust with cocoa. Run thin knife between cake and side of springform pan; remove side of pan. Run cleaned knife along outside of cake to smooth sides. Cut into slices and serve.
This recipe requires a springform pan at least 3 inches high. It is imperative that each layer is made in sequential order. Cool the base completely before topping it with the middle layer. We recommend Ghirardelli Bittersweet Chocolate Baking Bar for the base and middle layers; our other recommended brand of chocolate, Callebaut Intense Dark L-60-40NV, may be used, but it will produce drier, slightly less sweet results. Our preferred brand of white chocolate is Guittard Choc-Au-Lait White Chips. For best results, chill the mixer bowl before whipping the heavy cream. The entire cake can be made through step 8 and refrigerated up to a day in advance; leave it out at room temperature for up to 45 minutes before releasing it from the cake pan and serving. For neater slices, use a cheese wire or dip your knife in hot water before cutting each slice.
Recipe: Cooks Illustrated. Instructional Video available here.
One thought on “Cooks Illustrated Triple-Chocolate Mousse Cake”
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