Lemon Thyme and Ginger

Maida Heatter’s Lemon Mousse

Maida Heatter's Lemon Mousse, A recipe.

Maida Heatter celebrated her 100th birthday in the beginning of the month and I just had to acknowledge her. I do not know her, but after reading her cookbook and owning it for over 20 years, I feel like I do. Her cookbook, New Book of Great Desserts, was the first dessert cookbook I bought for myself back in 1982. I had other cookbooks but none solely dedicated to desserts. I believe her book was the first cookbook that I read front to back. Her anecdotes before each recipe are personal, thoughtful, funny, informative, and always friendly. She is a great teacher and her recipes are clear and easy to follow.

Maida Heatter's Lemon Mousse recipe

Maida Heatter's Lemon Mousse Recipe

I did not realize it at that time but her cookbook started my preference for cookbooks with a personal narrative. These types cookbooks are instructive and give me a personal sense about the author. Sometimes, it reads like we are friends, forming a friendship based on mutual enjoyment from cooking together. Thank you Maida Heatter for your wonderful dessert recipes that continues to instruct and inspire me and generations to come. Happy Belated 100th Birthday Maida.

Maida Heatter's Lemon Mousse recipe

More cookbooks by Maida Heatter

As a kid, I believed chocolate mousse was “the” supreme fancy French dessert. It was my go to dessert when my parents took us out to dinner on special occasions. Chocolate mousse was very popular in the 70’s and it was very rich and chocolaty and I loved it. In Maida Heatter’s cookbook, New Book of Great Desserts, there is not one chocolate mousse recipe, but there are several other mousse recipes that are made with fruit. From the beginning of owning her cookbook, the lemon mousse recipe caught my attention and I have made it several times. This is a special lemon mousse recipe. Despite the heavy cream, it is as light as air and has a clean lemon flavor that is not too sweet.

“This is food for angles, it is like eating a sweet lemon flavored cloud, like a glass of delicious nothingness”

Maida Heatter, New Book of Great Desserts

It is hard to top Maida’s own description. This lemon mousse is a luscious lemon cloud to float away on. Enjoy!

Maida Heatter's Lemon Mousse recipe

4 bowl set up

Maida Heatter's Lemon Mousse recipe

Whipped egg whites: soft peak

Maida Heatter's lemon mousse recipe

Whipped egg whites: Stiff peak but still wet

Maida Heatter's Lemon Mousse recipe

Tips for Making Lemon Mousse

Mousse is about developing smooth, light and airy texture. Consequentially, over-whipping the cream and the egg whites will ruin the texture of the mousse. Pay careful attention while whipping the cream and egg whites, so the mousse texture comes out perfectly.

This is a great instructional video from the Culinary Institute of America about whipping egg whites and folding them into a batter. The process is done by hand, but I highly recommend watching it. This visual will allow you to see the different stages of whipped egg whites and how to fold in egg whites.

Folding the whipped cream and the whipped egg whites together is just as important as whipping them. You do not want to deflate your hard work.

How to fold whipped egg whites and whipped cream into batter.          Use a large rubber spatula and cut through the whipped cream, or whipped egg whites, through the center of the mixture scraping the bottom of the bowl. The rubber spatula should run sideways through the center, then rotate the spatula up and over the mixture, bringing some of the mixture over the whipped egg whites. Rotate the bowl and repeat the process several times, cutting-scraping-turning-folding-rotating, until the egg whites (or cream) become incorporated. It is important to not overwork the whipped cream or whipped egg whites so you do not deflate them.

Maida Heatter's Lemon Mousse Recipe

Maida Heatter's Lemon Mousse Recipe

Maida Heatter’s Lemon Mousse

Lemon Mousse from Maida Heatter's New Book of Great Desserts, is so light and airy you will feel like you are floating on a cloud. This is a very special lemon dessert recipe that can be made ahead of time and served for a luncheon or dinner party. In Maida's own words, "This is food for angels." I love it and enjoy serving the mousse with light but crispy cookies or just by themselves. It is an impressive dessert served in large wine glasses. The mousse requires at least 4 hours to set and chill in the refrigerator. Lemon Mousse will last for a couple of days in the refrigerator.
Prep Time 35 minutes
Total Time 4 hours 35 minutes
Servings 8 servings
Author Ginger


Lemon Mousse

  • 1 envelope unflavored gelatin
  • 2 Tb cold water 30 ml
  • Finely grated lemon zest from 2 lemons
  • 1/2 cup plus 1 Tb lemon juice 133 ml
  • 1 cup granulated sugar 7 oz/ 202 g -divided 3/4 cup (152 g) and 1/4 cup (50 g)
  • 1 cup egg whites (237 ml) approximately 8 egg whites
  • 1/8 tea salt
  • 1/8 tea cream of tartar
  • 1 cup heavy cream 237 ml


Make the Lemon Mousse

  1. You will need four bowls. One large bowl for a stand mixer to whip the egg whites. One medium bowl to whip the heavy cream. One large bowl to assemble the lemon/gelatin mixture with the egg whites and heavy cream. Lastly, one bowl to use for an ice bath - large enough for the bowl with the lemon/gelatin mixture to fit inside nestled on ice.
  2. Put the bowl you want to use to whip the cream, and the beaters from a handheld mixer (or stand mixer, or balloon whisk if making by hand) in the refrigerator to chill.
  3. Pour the gelatin into a small cup then add the 2 Tb of cold water. Let the gelatin and water rest on the counter.
  4. Prepare an ice bath in a large mixing bowl. Take a large bowl and partially fill it with ice cubes and cold water. Make sure your second mixing bowl can fit inside and rest in the ice bath. Set aside.
  5. In a small saucepan add the lemon zest, lemon juice and 3/4 cup (152 g) sugar. Turn on the heat to medium high and stir until the sugar is dissolved and comes to a boil. Add the gelatin and stir until it has dissolved. Turn off the heat and pour the mixture into a large mixing bowl.
  6. Place the bowl with the lemon/gelatin in the ice bath and stir the gelatin-lemon mixture until it cools, but before it thickens. Remove the bowl from the ice bath and set aside. Reserve the bowl holding the ice bath.
  7. Pour the egg whites into a bowl of an electric stand mixer, (or a large bowl if using a handheld mixer.) Add salt and cream of tartar to the egg whites and whip the egg whites on high speed until they hold soft peaks. Lower the speed slightly, then slowly add the remaining 1/4 cup (50 g) sugar- 1 Tb at a time, so you do not deflate the whipped egg whites. Bring the speed back up to high and whip the egg whites until the whites just hold a shape. The whites will look stiff but will not look dry. Set aside. See video in post about whipping and folding egg whites.
  8. In a chilled bowl with chilled beaters, whip the heavy cream until it barely holds a shape. The whipped cream should look fluffy or like billowy clouds, not stiff or dry.
  9. Place the bowl with the lemon and gelatin back into the bowl with the ice bath and scrape down the sides and stir with a rubber spatula until the liquid becomes syrupy and thick. Not too thick so that it begins to get stiff. Remove the bowl from the ice bath and quickly, but carefully fold in one quarter of the whipped cream. Continue to add and fold in the whipped cream adding one quarter of the whipped cream at a time until all the cream is folded into the lemon gelatin mixture.
  10. Fold in the whipped egg whites to the lemon cream, about one heaping spoonful at a time. With each addition, carefully fold in the egg whites so you do not deflate them. You do not have to be thorough with the folding. They should be just barely mixed together.
  11. Use a large spoon, or a soup spoon, fill 8 wine glasses with the lemon mousse. It is a little tedious, but do not worry about any messes, you can clean those up after you fill up of the glasses. Use a damp paper towel or clean cloth and wipe the edges of the wine glasses clean.
  12. Refrigerate for at least 4 hours or overnight. If you can cover each glass with plastic wrap without touching the mousse do so.
  13. Lightly decorate each glass of mousse with mint, or berries, or candied violets, and serve. I like to add crispy cookies like crisp ginger snaps or amaretto cookies. The lemon mousse is also delicious on its own.

Recipe Notes

After graduating from college and living on my own, I did not have the luxury of large kitchens with many small kitchen appliances. For over 25 years I depended on my handheld mixer and my own horse power to blend, mix, stir and whip ingredients. Do not hold back from making this recipe if you do not own a stand mixer.

There will be a lot of juggling around with bowls and cleaning beaters if a handheld mixer is all that you have, but it can be done. If you have the stamina and determination to make this by hand, go for it. You will need a balloon whisk to help you do the job.





© 2016 – 2018, Ginger Smith- Lemon Thyme and Ginger. All rights reserved.

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