Key Lime Keto Mousse Recipe {Light and Refreshing}

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Key Lime Keto Mousse Recipe is a creamy refreshing keto dessert with just the right amount of tartness. You’ll love how easy and quick the recipe is to make. The experienced and non-experienced cook alike will have no problems whipping up this low carb mousse. This sugar-free dessert recipe is perfect for warm summer nights, family get-togethers, or when you want something sweet and fresh fast.

key lime keto mousse plated

 

HOW TO MAKE THIS KEY LIME KETO MOUSSE DESSERT RECIPE

One of my favorite desserts is Key Lime Pie so I thought I’d create a keto/low carb mousse version. Without a crust, it is nut-free for those with tree nut allergies and it keeps the carb count lower.

It took several tries to get the tartness of the Key Lime Mousse just right. Also, the measurements I have included for both the key lime zest and key lime juice may vary as some limes aren’t nearly as tart as others. So, when you make this dessert make sure to taste the recipe as you go to get the perfect tartness. I would recommend refrigerating overnight for maximum flavor.

I also have a Keto Key Lime Pie Recipe that will incorporate a pecan crust for extra texture and crunch to keto key lime mousse.

TIPS for this keto mousse recipe 

Always make sure your bowl, beaters, and any measuring tools you use are completely dry. Otherwise, the added moisture could interfere with the heavy cream beating to stiff peaks.

Ingredients:

Steps:

Heavy whipping cream in a bowl that has been beaten into stiff peaks.

Step 2: In a separate bowl, beat on medium speed the cream cheese, Lakanto Monkfruit Powdered, lime juice, and lime zest until the mixture is smooth.

Cream cheese, keto sweetener, and key lime zest in a glass bowl

Step 3: Combine the two bowls and beat with a mixer until everything is combined. 

Cream cheese and key lime zest that has been beaten in a bowl together.

Step 4: Spray an 8 X 8 pan with cooking spray and spread the key lime layer evenly in the bottom of the pan.

Heavy whipping cream and cream cheese mixture in a bowl about to be mixed together.

Second Layer

Step 5: Combine the heavy whipping cream and Lakanto Monkfruit Powdered and beat until stiff peaks form. 

Step 6: Spread the homemade whipped cream on top of the key lime layer.

key lime keto mousse in a baking dish with spiraled lime on top

Step 7: Refrigerate overnight and enjoy it!

key lime keto mousse plated on white plate with key limes in the background

Recipe Notes:

The amount of key lime juice used in this recipe can vary depending on the ripeness and size of the limes you are using. It is important to taste this recipe as you add the lime zest and juice as you may need a little more or less.

The sugar alcohols from Lakanto Monkfruit Powdered are not included in Nutritional Information since most subtract sugar alcohols from carb count. Optional ingredients are not included in nutritional information. Nutritional information is provided only as a guide.

Tips for making this keto key lime mousse

Allow the cream cheese to come to room temperature so that it will be nice and creamy. This will make a lighter mousse with an airy texture.

Don’t overbeat heavy whipping cream or it can become grainy. If this happens, simply add a little heavy whipping cream and with a couple turns of a whisk you’ll have creamy peaks once again.

Gluten-Free Keto Mousse recipe

Along with being low in net carbs, this recipe is also gluten-free. However, if you have a gluten allergy, make sure to check the ingredients before making it. My daughter has a nut allergy, so I know you cannot leave anything up to chance.

CAN YOU FREEZE KETO MOUSSE?

Yes, you can freeze this Key Lime Keto Mousse recipe for up to two months. To thaw stick it in the fridge overnight, or until it can either be sliced or scooped out with a spoon. I have often enjoyed it frozen as well. To do so, I let it sit out for about 10-15 minutes first. 

HOW DO YOU STORE KEY LIME KETO MOUSSE?

Mousse can either be stored in the fridge for five days or the freezer for two months. It will take several hours once placed in the fridge for the mousse to firm up completely. I often pop it in the freezer for 45 minutes to an hour so that it can firm up quickly before serving. Then, I set it out on the counter for a few minutes to make serving easier.

WHY ARE LIMES AND KEY LIMES DIFFERENT?

Key limes are smaller than limes and are known to pack a more acidic punch than regular limes. However, you can substitute limes for key limes if you do not have any available. Taste your keto mousse as you go because you may need to add more lime juice than you would key lime juice.

MORE KETO FRIENDLY RECIPES

If you love our simple low carb keto mousse recipe, then I know you will enjoy checking out all of my family’s favorite recipes in my Keto Recipes Index. Check out all of my Keto Recipes!

Variances to this key lime keto mousse

How to Make Key Lime Keto Mousse Recipe:

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4.80 from 15 votes

Key Lime Keto Mousse {Light and refreshing}

Key Lime Keto Mousse Recipe is so mouthwateringly refreshing, you'll love how quick, easy, and citrusy this low carb dessert is. The experienced and non-experienced alike will have no problems whipping up this low carb mousse.
Prep Time15 mins
Refrigerate2 hrs
Total Time15 mins
Course: Dessert
Cuisine: American
Keyword: Key Lime Mousse
Servings: 9
Calories: 210kcal
Author: Kasey Trenum

Ingredients

First Layer

Second Layer

Instructions

First Layer

  • In a large bowl, beat the heavy whipping cream until it forms stiff peaks.
  • In a separate bowl, beat on medium speed the cream cheese, Lakanto Monkfruit Powdered, lime juice, and lime zest until the mixture is smooth. 
    *You may need more or less lime juice and zest depending on the ripeness of your limes. Make sure to taste the mixture as you are preparing the recipe. 
  • Combine the two bowls and beat with a mixer until everything is combined. 
  • Spray an 8 X 8 pan with cooking spray and spread the key lime layer evenly in the bottom of the pan.

Second Layer

  • Combine the heavy whipping cream and Lakanto Monkfruit Powdered and beat until stiff peaks form. 
  • Spread the homemade whipped cream on top of the key lime layer. 
  • Refrigerate overnight and enjoy!

Video

Notes

*The amount of key lime juice used in this recipe can vary depending on the ripeness and size of the limes you are using. It is important to taste this recipe as you add the lime zest and juice as you may need a little more or less..
The sugar alcohols from Lakanto Monkfruit Powdered are not included in Nutritional Information since most subtract sugar alcohols from carb count. Optional ingredients are not included in nutritional information. Nutritional information is provided only as a guide.

Nutrition

Calories: 210kcal | Carbohydrates: 3g | Protein: 5g | Fat: 19g | Saturated Fat: 12g | Cholesterol: 75mg | Sodium: 197mg | Potassium: 115mg
Tried this recipe?Mention @kaseytrenumblogger or tag #kaseytrenumblogger!

keto dessert in a baking dish with spiralized key lime on top

 

Other Keto Resources:

Looking for ways to save money? Check out these 10 easy tips for eating Keto on a budget. Don’t miss these Keto/Low Carb snack ideas to help you stay on track.

collage of keto key lime mousse

 

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42 Comments

  1. 5 stars
    Absolutely amazing dessert. Hubby requested a repeat! Cut back on the sweetener but that’s just me. I usually go for anything chocolate but this is so refreshing and light, nice change. Thanks for sharing.

    1. You’re welcome! Glad y’all enjoyed it. I’ve gotten to where I don’t use as much sweetener either.

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