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Lemon-Caramel Icebox Cake

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Serves twelve.

  • To learn more, read:
    No-Bake Icebox Cakes
  • by Heather Ho from Fine Cooking
    Issue 33

The caramel and the lemon curd can be made ahead and refrigerated for up to 5 days. The caramel needs to be warmed to a pourable consistency before using. 

For the lemon curd:
  • 4 large eggs
  • 4 large egg yolks (reserve the whites from 2 of the eggs for the meringue topping)
  • 3 Tbs. finely grated lemon zest (from about 3 lemons)
  • 1/2 cup sugar
  • 2/3 cup fresh lemon juice
  • 5 oz. (10 Tbs.) unsalted butter, cut in pieces
For the caramel:
  • 3/4 cup sugar
  • 2 Tbs. light corn syrup
  • 1/4 cup water
  • 1/4 cup plus 2 Tbs. heavy cream
  • 1/4 tsp. vanilla extract
For assembly:
  • 5 oz. (about 1-1/2 cups) graham cracker crumbs (from about 10 crackers), lightly toasted in a 350°F oven until they just take on some color,  about 7 minutes
  • 2 oz. (4 Tbs.) unsalted butter, melted
  • 1-1/2 cups heavy cream
  • 2 egg whites
  • 5 Tbs. sugar; more for the pan
To make the lemon curd:

Bring a medium pot filled half way with water to a simmer. In a medium stainless-steel bowl that fits over the pot without touching the water, whisk the eggs, yolks, zest, sugar, and lemon juice. Put the bowl over (not touching) the simmering water and whisk until the mixture thickens and becomes smooth and custard-like, about 10 minutes; remove from the heat. Whisk in the butter a piece at a time. Strain the curd through a fine mesh into a bowl. Put plastic wrap directly on its surface and refrigerate.

To make the caramel:

In a medium, heavy-based saucepan, combine the sugar, corn syrup, and water; stir until the sugar dissolves. Cook over high heat until the mixture turns dark amber. Don’t stir the caramel while it cooks; instead, swirl the pan gently to get an even color. Remove from the heat and whisk in the cream (be careful: it will splatter). Return the mixture to the heat, whisk until smooth, and then whisk in the vanilla. Let cool to room temperature.

To assemble the cake:

Spray a 9-inch springform pan with nonstick cooking spray or grease it lightly. Dust the pan with sugar and knock out any excess. Combine the toasted graham cracker crumbs and butter, rubbing them together with your fingertips to combine thoroughly. Sprinkle half of the crumbs over the bottom of the pan and pat down; reserve the rest.

In a large bowl, whisk the cream to firm peaks. Fold in the cooled lemon curd. Spoon half of the lemon cream over the cracker crust and spread it evenly to the edges of the pan. Sprinkle the remaining crumbs over the lemon cream. Spread the remaining lemon cream over the crumbs. Pour a little more than half of the caramel over the lemon cream, reserving the rest in the refrigerator. Put the cake in the freezer while you make the meringue topping.

Whisk the egg whites and sugar in a double boiler over medium-high heat (as you did with the lemon curd) and cook until the mixture is warm and the sugar is dissolved, about 2 minutes. With an electric mixer, whisk the whites to stiff peaks. Spread the meringue on the top of the cake. Freeze the cake, unwrapped, overnight. (For longer storage, wrap it in plastic once the meringue has firmed up; unwrap before defrosting.)

About an hour before serving, transfer the cake to the refrigerator. Just before serving, reheat the remaining caramel sauce if you want to drizzle some on the plate. Brown the meringue by running it under a hot broiler, rotating the cake if necessary, until evenly browned (or brown it with a propane torch). Run a thin knife around the sides of the cake and remove the springform. Cut the cake into slices with a warm knife. If the cake seems very frozen, let the slices soften somewhat before serving. Serve with a drizzle of warm caramel sauce.

nutrition information (per serving):
Calories (kcal): 460; Fat (g): 32; Fat Calories (kcal): 290; Saturated Fat (g): 18; Protein (g): 5; Monounsaturated Fat (g): 10; Carbohydrates (g): 41; Polyunsaturated Fat (g): 2; Sodium (mg): 125; Cholesterol (mg): 230; Fiber (g): 1;

Photo: Scott Phillips

Awesome cake. Prepared this for Easter even though it had zero reviews. Easy to prepare and my guests loved it. I doubled the egg whites to 4 for the merangue. I also doubled the graham cracker base to 11 oz which was a good call since the crust was the best part. Make sure to bake the crust because the directions don't make that very clear even though it's written in the ingredients. Also used purchased caramel to save time. All in all, terrific recipe.

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