Mango Mousse Cake
A layered sponge cake filled with a sweet-tart mango mousse creates an elegant dessert.
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Instructions
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Preheat the oven to 350 F.
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Beat egg whites until stiff; gradually add sugar, continuing to beat until a stiff, glossy meringue forms.
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In a separate bowl, whisk egg yolks; whisk 1/4 cup of meringue into the yolks.
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Gently fold the egg yolk mixture, vanilla, and coconut flavoring into the remaining meringue.
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Fold flour and salt into the meringue in two additions until just combined.
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Transfer batter to a zip-top bag; cut a 1/2-inch corner.
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On a parchment-lined baking sheet, trace two 9-inch circles and pipe about half the batter into them.
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On another parchment-lined sheet, trace two bands equal to the springform pan height; pipe remaining batter in diagonal lines to fill these bands.
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Dust cake pieces with confectioners' sugar.
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Bake 10-12 minutes until golden; remove from oven and peel parchment from warm cakes.
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Combine sugar and water for the syrup; boil for 2 minutes, then remove from heat and cool briefly.
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Stir liqueur into the syrup.
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Generously butter the bottom and inside walls of the springform pan.
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Place one cake circle in the pan, trimming to fit; brush this cake layer with syrup.
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Brush plain sides of cake bands with syrup; place them stripe-side out against the pan sides, trimming to fit.
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Puree mango and lime juice until smooth; strain and set aside.
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Sprinkle gelatin over 1/4 cup water in a bowl; let rest 5 minutes, then dissolve over simmering water.
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Stir mango puree into dissolved gelatin; mix well, strain again, and set aside.
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In a small saucepan, boil sugar and 1/4 cup water.
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Beat egg whites until stiff; while beating on low speed, slowly pour in the 248 F sugar syrup.
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Once whites form a stiff, shiny meringue, stir 1/4 cup into the mango puree.
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Fold the mango mixture into the remaining meringue.
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Beat whipping cream until soft peaks form.
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Fold whipped cream into the meringue-mango mixture.
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Fill the cake pan halfway with mousse, spreading over the bottom cake layer.
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Place the second cake circle on top; brush this layer generously with remaining syrup.
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Fill the pan to the top with mousse; smooth the surface with a spatula.
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Freeze the cake for 2-3 hours.
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Transfer cake to a serving platter.
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Gently warm the springform pan exterior with a hairdryer; carefully remove the pan sides.
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Decorate with fresh mango or raspberries; chill until serving.