Easy Lemon-Lime Mousse

"This dessert is extremely easy to make, and will wow family and friends; it's my new "company's coming over" dessert. I served this to some very stuffed dinner guests before xmas, who claimed to have no room for dessert, yet when this was presented it was gobbled down completely. This mousse is very light and is an excellent choice after a heavy meal. If you want a lemon mousse, rather than lemon-lime, just use all lemon juice instead of the combination. Thanks go out to a Martha Stewart magazine for this gem. Prep time includes minimum chilling time."
photo by kberge0 photo by kberge0
photo by kberge0
Ready In:
3hrs 15mins




  • The first step is to make the lemon curd, which you can do a day or so ahead of time, if you wish.
  • In a medium-sized heavy saucepan, using a wooden spoon, combine the butter and 1 cup of the white sugar; don't worry, it likely won't go into a smooth paste--that doesn't matter.
  • With the same spoon, stir in the eggs and egg yolks, lemon juice and lime juice (I use freshly squeezed lemon juice but have been using bottled key lime juice for the lime).
  • If the mixture looks all curdled, don't worry.
  • Place the saucepan over low heat and cook, stirring constantly, until mixture is smooth.
  • This will take about 5 minutes; as the butter melts and you keep stirring or whisking, it will come together nicely.
  • Now raise the heat to medium and cook, stirring constantly, until the mixture is thick enough to coat the back of a spoon; this will take several minutes, from as quickly as 4 mins to as long as 8 (don't let the mixture boil; if it starts to, turn heat down).
  • Remove pan from heat and stir in zest; then pour into a glass or ceramic bowl and cover with plastic wrap, letting wrap touch and cover the surface of the curd (this prevents a skin from forming).
  • Chill in fridge at least one hour; overnight is fine.
  • When ready to make the mousse, beat the cream with the remaining 1/3 cup sugar to soft (not stiff) peaks.
  • Get the lemon curd out of the fridge, peel away plastic wrap, and use a whisk to loosen up the curd.
  • Now gently fold that curd into the whipped cream, combining thoroughly--but with a light hand.
  • Spoon mousse into 6 individual dessert dishes.
  • Cover and chill for at least two hours; overnight is fine.

Questions & Replies

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  1. kberge0
    I made this last night (for the second time). So delish! I reduced the sugar in the whip cream by half and served in stainless martini glasses and garnished with mint leaves, a few raspberries and a sprinkle of both lemon and lime zest. My guests and boyfriend were awestruck by both the presentation and flavour! This is on the top of my dessert recipes list!
  2. Chef Dudo
    When it was my turn to make the dessert for the cookclub I chose to make this. It was devoured! Great taste. Easy to make. Very clear instructions. Was a bit scared when the lemon curd looked curdled but your instructions said not to worry. And indeed, it turned out perfect. Thanks for a keeper.
  3. glynn117
    Wow! It is simple, light and delicious! I made it with all fresh lime juice because I prefer it over lemon. I also used half sugar and half Splenda and it still tastes great! Thank you Lennie for this wonderful recipe!


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