This flourless chocolate souffle cake is so creamy-chocolatey, it's practically a mousse in cake form.
Notes: When served at room temperature, the texture of this cake is soft and creamy. Served chilled, the texture is more firm. Use a hot, wet, knife to cut slices of cake. Be sure to use a high quality bittersweet chocolate here.
Cocoa to dust pan and over top of cake
14 tablespoons (7 ounces) unsalted butter
16 ounces bittersweet chocolate, finely chopped
1/8 teaspoon salt
10 large eggs, separated
1/4 teaspoon cream of tartar
1/2 cup (3 1/2 ounces) plus 2 tablespoons granulated sugar, divided
Adjust oven rack to middle position and preheat oven to 350°F. Grease bottom and sides of 9-inch springform pan and dust with cocoa. Set pan on baking sheet.
Place butter, chocolate, and salt in very large heatproof bowl. Heat over saucepan of barely simmering water, stirring occasionally, until melted and smooth. Remove from heat and let cool slightly, about 5 minutes.
In mixer fitted with whip attachment, beat whites and cream of tartar on medium speed until frothy. Increase speed to medium-high and continue to beat until whites have turned opaque. While whites are beating, slowly add 2 tablespoons sugar and continue to beat to stiff but not dry peak. Transfer beaten whites to a bowl.
Using same unwashed mixing bowl and whip, beat yolks and remaining 1/2 cup sugar on medium-high speed until light lemon color, 3 to 5 minutes.
Gently whisk yolks into chocolate mixture until combined (trying not to deflate yolks). Gently fold whites into chocolate mixture in three batches, until just combined and no streaks of white remain.
Pour batter into pan and bake until cake is puffed, edges feel set, center is jiggly set, and temperature in center reads 150°F, about 40 minutes. Transfer pan to wire rack to cool 1 hour. Chill until set, about 3 hours. Run knife along inside edge of pan to release cake. Let cake come to almost room temperature before serving, about 30 minutes (see note).
9-inch springform pan
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|Nutrition Facts (per serving)|
|Servings: 10 to 12|
|Amount per serving|
|% Daily Value*|
|Total Fat 37g||48%|
|Saturated Fat 22g||109%|
|Total Carbohydrate 22g||8%|
|Dietary Fiber 6g||23%|
|Total Sugars 11g|
|Vitamin C 0mg||0%|
|*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.|