Sacher Torte

Sacher Torte

To make this cake kosher for Passover—and gluten-free—use potato starch rather than flour.

1 stick unsalted butter, pareve margarine, or coconut oil, at room temperature
1/2 cup sugar
8 ounces semisweet (60 or 70%), high-quality chocolate (I prefer the 70% sweet. You can also use bittersweet or semisweet chocolate.)
1 teaspoon vanilla extract
2 tablespoons Sabra Coffee liqueur or rum
6 large eggs, separated
1/2 cup potato starch (or 1 cup cake flour)
1/4 teaspoon salt
1 cup commercial or homemade apricot jam (recipe below)
Chocolate glaze (recipe below)
Whipped cream (optional)

1. Preheat the oven to 275 degrees. Grease and line a 9-inch round cake or spring form pan with parchment paper.

2. Cream the butter, margarine, or coconut oil in the bowl of a standing mixer with the paddle attachment. Add the sugar and mix until fluffy.

3. Add the egg yolks, 1 at a time, mixing well after each addition.

4. Melt the chocolate with the liqueur in a double boiler, then cool slightly and stir in the vanilla. Add the chocolate to the butter-sugar mixture and blend well.

5. Sift the cake flour or potato starch with the salt, then stir into the chocolate mixture.

6. Beat the egg whites until stiff but not dry in the standing mixer with the whisk attachment. You know the whites are done if you can hold the bowl upside down and the whites do not fall out. Fold the whites gently into the chocolate mixture until just incorporated.

7. Pour the batter into the prepared pan and bake for 35 to 45 minutes or until a toothpick inserted in the center comes out clean.

8. Cool the cake for a few minutes in the pan. Put three pieces of parchment paper on a serving platter so each piece overlaps the other slightly in the middle. When the cake is slightly cooled but still warm, slide a knife around the edges of the cake to loosen the sides from the pan. Flip the cake onto the prepared serving platter, so the bottom is now the top.

9. Spread the apricot jam on the top of the cake with a metal cake spatula. Then pour the chocolate glaze evenly over the cake, spreading the glaze onto the sides. Allow to cool completely before serving. Carefully remove the parchment paper from the platter, making sure you lick the glaze that has run down onto the paper. Serve alone or with a dollop of schlag (whipped cream).

Yield: 8 to 12 servings

APRICOT JAM

2 cups (about 1 pound) dried apricots
1 cup sugar
Zest of 1 lemon
1 1/2 cups water

1. Combine the apricots, sugar, lemon zest, and water in a saucepan set over medium-high heat. Bring to a simmer, lower the heat, and cook, stirring occasionally, until the apricots soften and absorb most of the water, about 30 minutes. Stir more constantly at the end of cooking to avoid scorching.

2. Puree the mixture in a food processor. Store in an airtight container in the refrigerator for up to 1 week or freeze for up to 6 months.

Yield: 2 cups

CHOCOLATE GLAZE

8 ounces semisweet (70%) high-quality chocolate
1/2 cup sugar
1/2 cup water

Combine the chocolate with the sugar and water in a saucepan set over low heat, stirring constantly until the chocolate melts and the glaze thickens slightly, about 10 minutes.

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