Posted on September 14, 2011

The other day my kitchen counter was covered with plates of luscious lemon mousse, garnished with sugared strawberries, fresh flowers (that I bought to coat with sugar, along the lines of candied violets, but my attempt failed miserably), and crispy, Aussie-style coconut-cornflake cookies. I think my guests liked it…or, at least, the glasses came back clean. I was one dessert short (you can see the missing mousse in the front row), so I filled my husband’s glass with homemade banana ice cream. No one noticed the difference except him, though I have to admit, I felt pangs of guilt because I know this mousse is one of his favorite desserts. He said he liked the banana ice cream just fine, but he still missed his share of the mousse. Guess I’ll have to make it again. Here’s the recipe if you want to give it a go.
Luscious Lemon Mousse
You will need three bowls to make this mousse: one for the whipped cream, another for the lemon-yolk mixture, and a third for the egg whites. It can be made a day in advance, which is perfect for entertaining. If you want to make a pretty garnish, instead of 1-1/4 cups of heavy cream, you can whip 1-1/2 cups and reserve some to make rosettes on top of the mousse. (Please note that this dessert contains raw egg.)
Serves 8 to 10
1 tablespoon powdered gelatin
1-1/4 cups heavy cream
3 large eggs, separated
1 cup plus 2 tablespoons superfine sugar
Grated rind of 2 lemons
1/3 cup freshly squeezed lemon juice
¼ teaspoon cream of tartar
- Have ready a medium serving bowl, glass cups, or ramekins to serve this mousse.
- In a ½-cup metal measuring cup, combine the gelatin and ¼ cup cold water; set aside. (Note: The reason for the metal cup is that you will be placing it in hot water to dissolve the gelatin later on.)
- Whip the heavy cream until soft peaks form, then cover and refrigerate until ready to use.
- In a large bowl, combine the yolks and 1 cup of the sugar. Beat with an electric mixer on medium speed until thick and pale yellow, about 3 minutes. Add the lemon rind and lemon juice and beat on low speed for 30 seconds; set aside.
- In a large bowl (make sure the bowl is very clean), combine the reserved egg whites and cream of tartar. Beat with an electric mixer on low speed for 30 seconds. Increase the speed to medium and beat for 30 seconds more, until frothy bubbles begin to appear. Add the remaining 2 tablespoons of sugar, increase speed to high, and continue beating until soft, glossy peaks form, about 3 minutes. Set aside.
- Soften the gelatin by placing the metal measuring cup in a shallow pan filled with boiling hot water. Stir until the gelatin becomes a smooth liquid with no lumps.
- Using a whisk, mix the gelatin into the reserved lemon-yolk mixture, stirring until well combined. Using a rubber spatula, gently fold in the reserved egg whites; be careful not to deflate them, but make sure they are evenly incorporated. Then, gently fold in the whipped cream, and transfer the mousse to the serving bowl, or evenly divide it among individual serving cups.
- Cover and refrigerate until set, about 2 to 3 hours. Garnish with whipped cream, if desired.

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