Preheat the oven to 350 degrees F (175 degrees C). Grease a 10 inch springform pan.
Place the chocolate in a metal bowl set over a pan of simmering water. Stir occasionally until melted and smooth. Stir in the hot coffee - hotter coffee will mix in better, but if the mixture suddenly hardens into a dull paste, that is okay too. It can still be used. Stir in the vanilla. Set aside.
In a large bowl, cream together the butter, white sugar and brown sugar until light and fluffy. Beat in the egg yolks gradually, then stir in the chocolate mixture. Mix in the flour just until incorporated.
In a separate bowl, whip egg whites with clean beaters until they can hold a stiff peak. Fold 1/3 of the whites into the cake batter until fully incorporated, then gently fold in the rest. Pour into the prepared pan. Adjust the oven rack to the center position.
Bake for 1 hour in the preheated oven, or until the top of the cake springs back when pressed down gently. Cool in the pan over a wire rack. Cover the top with aluminum foil to keep the top crust of the cake from getting hardened. When cool, store in the pan until ready to serve.
To serve, run a knife around the outside of the cake, and remove the springform ring. Invert the cake onto a serving plate, and dust with confectioners' sugar. Slice and serve with dollops of whipped cream.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	391.57 Kcal (1639 kJ)
Calories from fat	243.26 Kcal
		% Daily Value*
Total Fat	27.03g	42%
Cholesterol	107.13mg	36%
Sodium	54.9mg	2%
Potassium	203.57mg	4%
Total Carbs	35.89g	12%
Sugars	25.46g	102%
Dietary Fiber	2.15g	9%
Protein	5.96g	12%
Vitamin A	0.2mg	7%
Iron	0.8mg	5%
Calcium	23.2mg	2%

Amount Per 100 g
Calories	357.96 Kcal (1499 kJ)
Calories from fat	222.38 Kcal
		% Daily Value*
Total Fat	24.71g	42%
Cholesterol	97.94mg	36%
Sodium	50.19mg	2%
Potassium	186.1mg	4%
Total Carbs	32.81g	12%
Sugars	23.27g	102%
Dietary Fiber	1.96g	9%
Protein	5.45g	12%
Vitamin A	0.2mg	7%
Iron	0.8mg	5%
Calcium	21.2mg	2%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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