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Chocolate cake with hazelnut semifreddo

Time 1 hour 10 minutes
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Summer’s not quite here and the weather’s as manic as the stock market, yet the urge to break out the ice cream machines and patio umbrellas is fierce. We want our dinner outside (sunglasses down, beach on our horizon), and a sweet finale with a cool touch.

Frozen desserts have a hip, retro feel -- like throwing a polka-dot apron over a landscape of tattoos -- which gives them a certain panache that a bowl of ice cream just wouldn’t have.

They’re also a way to finesse issues of temperature and timing, when you want a sophisticated cold note to the end of your meal but don’t want to waste any of your patio downtime laboring over fussy desserts in the kitchen.

Look for recipes that can be made and assembled ahead of time, desserts that can be kept in your freezer like secret weapons, ready for unveiling.

Individual coviglia al caffe, Italian frozen puddings named for the little cups in which they’re traditionally served, are impressive -- and easy.

Just make a coffee-infused stove-top custard, fold in whipped cream and beaten egg whites, and let the mixture set up in a bowl in the freezer.

After the mousse is half frozen, stir (this adds volume and loft) and pour into small cups. Then just before you’re ready for dessert, take the cups out of the freezer and add a quick spoonful of whipped cream and a shard of shaved chocolate.

Or assemble graceful bonbons from store-bought wafers, a batch of strawberry ice cream and a dish of melted bittersweet chocolate. Make the ice cream -- shot with lime and laced with vanilla bean -- ahead of time.

You can build the bonbons earlier too, then enrobe them with a simple pour of melted chocolate moments before serving; the chocolate sets up prettily as soon as it hits the ice cream.

For a gorgeous finale to a casual meal out on the patio -- under the lingering heat and lengthening rays of the May sun -- offer a slice of frozen flourless cake layered with a luscious hazelnut semifreddo and the golden pixie dust of crushed homemade praline. To save time you can buy the praline too, but the candy takes minutes to make and yields the kind of sultry, caramel flavor that’s worth the effort.

This simple terrine looks more complicated than it is; the entire confection can be made ahead of time. Unlike some frozen desserts, you don’t have to temper it: Just unmold the cake (encased in plastic wrap for an easy exit) and cut a slice. Add a sprig of mint and a few halved kumquats.And make sure to give these desserts their few final touches -- the dip in chocolate, the spoonful of cream -- in front of an audience with a twirl of the apron and a little patio flourish. Sure, all you did was pull them from the freezer, but you don’t have to point this out.

Never underestimate the ta-da effect.

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1

Heat the oven to 350 degrees. Combine the chocolate and butter in a metal bowl set over a pan of simmering water and heat until melted and just combined, stirring occasionally. Remove from heat and allow to cool until just warm to the touch but still melted.

2

While the chocolate is cooling, beat the egg yolks until light and fluffy. Slowly drizzle one-fourth cup sugar into the eggs and continue to beat until fluffy and airy. Beat in 1 teaspoon vanilla until combined.

3

Separately, beat four egg whites with the salt to soft peaks. Drizzle one-fourth cup sugar into the whites and continue to beat to stiff peaks. Set aside.

4

Fold the whipped egg whites gently into the whipped yolks, then fold in the melted chocolate and cocoa.

5

Spread the batter into a 15-inch by 10-inch baking pan which has been buttered, lined with parchment paper, and buttered again. Bake the cake for 10 to 12 minutes, until set. Turn the cake out onto a rack to cool.

6

Place the cooled cake on a cutting board and cut three rectangles from the cake, each the dimensions of the 9-inch loaf pan (these rectangles will form layers in the final dessert). Set aside.

7

Make the hazelnut praline: In a small saucepan, combine one-half cup sugar with 2 tablespoons water. Heat to boiling (dissolving the sugar), then reduce the heat to a simmer and cook until the syrup turns golden brown, several minutes. Stir in the toasted hazelnuts, then pour out onto a lightly-buttered baking sheet and allow to cool. Break the pralines into pieces and coarsely process in a food processor; you should have 1 1/2 cups crushed praline. Set aside.

8

Make the semifreddo: Whip the cream to stiff peaks, then fold in the amaretto liqueur and remaining vanilla. Separately, whip the remaining three egg whites. Gradually beat in the remaining one-half cup sugar until stiff peaks form. Gently fold the egg whites into the whipped cream, along with 1 cup of the crushed praline.

9

Assemble the cake: Line the loaf pan with plastic wrap. Place 1 layer of the cake snugly into the bottom of the pan. Evenly spread one-third of the semifreddo base over the top of the cake, and top with a generous tablespoon of the crushed pralines. Repeat with the remaining layers, for a total of three layers. Sprinkle the remaining praline evenly over the top of the cake. Freeze, wrapped in plastic, until ready to serve.

10

To unmold the cake, dip the base of the frozen loaf pan quickly in a bowl of hot water to loosen the cake. Remove the cake (still wrapped in plastic) from the mold. Gently unwrap the cake. The cake can be served whole on a serving platter garnished with orange slices or kumquats, or can be sliced.

From test kitchen director Donna Deane.