Key Lime Mousse Pie

5 years ago by in dessert, recipe, The Kitchen McCabe
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Hello fantastic followers of Jonie’s awesome site!  It’s Kayley from The Kitchen McCabe I’m back today with something special.  Searching for a show-stopping dessert for your Thanksgiving feast?  Look no further. I bring you my all time favorite pie. The Queen of all citrus pies.

The Key Lime Mousse Pie

lime pie

Buttery crisp shortbread crust topped with a tower of fluffy, light, tart mousse, with a layer of tangy key lime mousse on top of that?!


I would like a slice now, please.

lime 3

I have been making this pie for years and it never fails to impress.

It has definitely been my most requested dessert and I look forward to eating in every time.


It does take a fair amount of time to make, I will warn you, but the end results are far and beyond the effort exerted to make it.

I think I have it down to about a 6 hour total process now.


Just try not to fall in love too hard, ok?

I have more desserts planned for you that deserve a chance at your heart as well.

lime 6

Here is the recipe for the Key lime Curd that I use in this pie. To get the rest of the recipe including the pie crust and topping, head on over to my blog.

Key Lime Mousse Pie


  • Key Lime Curd Recipe
  • 2 1/2 C. Sugar
  • 4 t. Cornstarch
  • 1 C. Key Lime Juice
  • 4 large Eggs
  • 4 large Egg Yolks
  • 3/4 C. Butter, cut into cubes


  1. For the Curd:
  2. Place the 2 1/3 C. Sugar and the cornstarch in a large saucepan and mix.
  3. Add the 4 eggs and 4 egg yolks to the sugar and whisk well.
  4. Add the lime juice to the mixture and blend well.
  5. Add the cubed butter to the mixture and place over medium heat. Whisk constantly until the butter has melted and the mixture thickens and boils, about 10 minutes.
  6. Remove from heat and transfer to a medium bowl.
  7. Press plastic wrap into the top of the curd to prevent a skin from forming. Chill until cold( at least 6 hours).

****Thanks Kayley!  This pie looks amazing!  You will definitely want this to be a part of your Thanksgiving feast.  I know I do!  If you aren’t already following Kayley’s blog, The Kitchen McCabe, you definitely should.  She has amazing photographs and delicious recipes that will knock your socks off!  Just go take a look and you will see!  Also, if you aren’t following her page on Facebook, you should definitely go do it right now.

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7 Responses to “Key Lime Mousse Pie”

November 6, 2013 Reply

This looks amazing and delicious! Beautiful food photography! I love Key Lime!

Kayley McCabe
November 6, 2013 Reply

Thank you, Debra! I love Key Lime too and this is my favorite way to get it! 😉

Key Lime Mousse Pie
November 6, 2013 Reply

[…] sharing this recipe today over at! Head on over here for the key lime curd recipe needed to make this […]

[…] Chocolate Strawberry Pie @ Ezra Pound Cake // Chocolate Cherry Cream Pie @ Always So Hungry // Key Lime Mousse Pie @ Just Between Friends // Crack Pie @ Gourmet Getaways // Chocolate Pecan Pie @ One Sweet Appetite // Coconut Cream Pie @ […]

July 1, 2015 Reply

Hi. Sorry for being a noob, but that is unsalted butter, right?

March 13, 2017 Reply

The ingredients state 2 1/2 cups sugar
The instructions state 2 1/3 cups sugar

Not a significant difference, but obviously there’s a typo. I’m going to make this for St. Patrick’s Day dinner party.

June 20, 2017 Reply

Hi,,, I would like to know if I could mix Key Lime Juice and Lemon Juice togetherto make this curd?

Thank you so much,

Peace & Love
Kateri Levasseur

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