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    Home ยป Recipes ยป Sugar Free Desserts

    Sugar Free Frozen Key Lime Bars

    First Published: Aug 12, 2025 by thesugarfreediva. ยทThis post may contain affiliate or amazon links which may pay commission at no cost to you.
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    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.
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    These Sugar Free Frozen Key Lime Bars are simple and delicious.

    Made with fresh lime juice and no added sugar, these layered frozen bars are a perfect treat especially on a warm day.

    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    What you will read about in this recipe.

    • What makes key lime bars so good?
    • Why you will love this sugar free frozen bar recipe
    • Ingredients you will need to make
    • How to make Sugar Free Frozen Key Lime Bars
    • Tips for making the best frozen key lime bars.
    • How to store key lime bars.
    • Print the recipe for Sugar Free Frozen Key Lime Bars

    What makes key lime bars so good?

    These frozen key lime bars feature a tangy, slightly tart, and creamy frozen ice cream-like layer on top of a buttery crumbly crust.

    I like how nicely the flavors and textured work in this recipe and how easy these no added sugar layered frozen bars are to make!

    Have you tried my Sugar Free Key Lime Bars?

    Those key lime bars have three layers and are baked to perfection. Both this recipe for frozen key lime bars and that recipe for baked key lime bars are tasty key lime bar recipes that are made without adding sugar!

    To make the crust in this recipe you will need almond flour. You can find almond flour here.

    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    Why you will love this sugar free frozen bar recipe

    Frozen key lime bars are the perfect combination of a dessert bar and a frozen dessert. They are really a refreshing and delicious treat especially on a warm day.

    Here is what else you will like about this recipe.

    • The ingredients used to make this recipe are simple ingredients.
    • These key lime bars are flavored with actual lime juice instead of an alternative that may also have added sugar.
    • Personalizing this recipe is as easy as adding some lime zest or vanilla extract for a bit of added flavor.
    • These bars store great in a freezer, making them easy to enjoy as a quick snack or dessert.
    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    Ingredients you will need to make

    • Almond Flour. This is used to make the crust.
    • Butter. Use salted butter that has been melted.
    • Sugar Alternative. Added to the crust for sweetening. Use a granular alternative.
    • Unsweetened Condensed Milk. I have a recipe for How to make Sugar Free Condensed Milk here.
    • Heavy Cream. This should be cold.
    • Sugar Free Powdered Sugar. Granulated sugar alternate will not work as well for the texture.
    • Lime Juice. Use freshly squeezed lime juice as store bought versions may have added sugar in it.

    Expert Tip๐Ÿ‘‰ Crushed sugar free cookies, such as butter or shortbread cookies, can be used in making the crust instead of using almond flour and sugar alternative.

    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    How to make Sugar Free Frozen Key Lime Bars

    Prep Time: 15 minutes .
    Freeze Time: 4 hours .
    Servings : 12 bars .
    How to Serve: Serve this as is with a bit of Sugar Free Whipped Cream if desired.
    Notes: You will need an 9x13 inch baking dish to make this recipe.

    1. Crust. To make the crust, combine together the almond flour, sugar alternative, and melted butter, mixing well until well combined. Then press the mixture into the bottom of your baking dish. You can use your hands to press the mixture into the dish to create your crust.
    2. Beat. In a large bowl, beat your heavy cream until stiff peaks form (peaks that are firm and are able to hold their shape). This can take about four minutes give or take.
    3. Milk. Once your heavy cream has formed stiff peaks, use a rubber spatula or similar item to fold in the condensed milk and lime juice.
    4. Transfer. Transfer the mixture to your pan with the crust, evenly spreading it over the crust.
    5. Freeze. Cover the bars and then place them into your freezer until set (about four hours). Your bars are done chilling when the top is firm to touch.
    6. Serve.. Slice and serve your bars as desired.

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    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    Tips for making the best frozen key lime bars.

    No added sugar condensed milk is used to give these bars a creamy and rich texture. An alternatives to no added sugar condensed milk is evaporated milk . However, there may be a difference in texture and flavor in this recipe if you use it.

    More helpful tips for you.

    1. While the crust should be buttery, if it is having trouble sticking together you can make adjustments as needed with the almond flour.
    2. Heavy cream is not the same as heavy whipping cream as they have a different amount of fat which is needed to make these bars creamy. Make sure that you are using the heavy cream and not the heavy whipping cream.
    3. These bars are not baked and the crust has a good amount of butter in it to make it unnecessary to have to prep your baking dish for nonstick. You can however, line the baking dish with parchment paper that hangs over the sides of the dish to make it easier to slice your bars and transfer them to a container for storing.
    4. Make sure that the top of your bars are firm to the touch before you slice them. If the bars are soft in the center they are not set and they will become messy when served. little soft then slicing them will be messy.
    5. Avoid leaving un-served bars at room temperature or even refrigerated for too long of a time. These bars will soften and start to melt about 10-15 minutes after they come out of the freezer.
    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    How to store key lime bars.

    Once your bars are set and sliced they should be stored in an airtight container parchment or wax paper between layers. Frozen key lime bars can be stored in the freezer for up to two months as long as they are kept airtight.

    You may also be interested in these tasty no added sugar warm weather treats!

    • Sugar Free Vanilla Ice Cream
    • 10 minute Sugar Free Chocolate Mousse
    • Sugar Free Pecan Ice Cream Sandwiches.
    • No Churn No Sugar Coffee Ice Cream
    • Sugar Free Strawberry Icebox Cake
    • Boston Cream Pie Ice Cream- No Added Sugar!

    Print the recipe for Sugar Free Frozen Key Lime Bars

    Sugar Free Frozen Key Lime Bars
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    Pin Recipe

    Sugar Free Frozen Key Lime Bars

    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.
    Prep Time15 minutes mins
    Total Time15 minutes mins
    Course: Dessert, frozen
    Cuisine: No Added Sugar, sugar free
    Search Result: Sugar Free Frozen Key Lime Bars
    Servings: 12

    Equipment

    • Baking Dish
    • Mixing Bowl
    • Rubber Spatula

    Ingredients

    Crust

    • 2 cups Almond Flour.
    • ยฝ cup Butter. --Use salted butter that has been melted and cooled to room temperature.
    • โ…“ cup Sugar Alternative -- Use a granular sugar alternative that measures like sugar.

    Filling

    • 14 oz Unsweetened Condensed Milk. -- See post for details and alternatives.
    • 2 cups Heavy Cream. --This should be cold.
    • 1 cup Sugar Free Powdered Sugar.
    • ยฝ cup Lime Juice. -Freshly squeezed

    Instructions

    • Crust. To make the crust, combine together the almond flour, sugar alternative, and melted butter, mixing well until well combined. Then press the mixture into the bottom of your baking dish. You can use your hands to press the mixture into the dish to create your crust. Making adjustments as needed for the crust to hold together.
    • Beat. In a large bowl, beat your heavy cream until stiff peaks form (peaks that are firm and are able to hold their shape). This can take about four minutes give or take.
    • Milk. Once your heavy cream has formed stiff peaks, use a rubber spatula or similar item to fold in the condensed milk and lime juice.
    • Transfer. Transfer the mixture to your pan with the crust, evenly spreading it over the crust.
    • Freeze. Cover the bars and then place them into your freezer until set (about four hours). Your bars are done chilling when the top is firm to touch.
    • Serve. Slice and serve your bars as desired.

    Recipe Notes

    *Please check the nutritional labels to assure that you are sticking to your diet restrictions for any substitutions used.
    Also, please see the actual recipe post for further details on this recipe.
    Nutritional Information is only an estimate and can vary especially with ingredients that are used.
    See thesugarfreediva.com for details on this recipe.
    most recently updated:
    August 12, 2025

    *About Sugar Alternatives

    Specific sugar alternatives are not given in the recipes presented on this site. Only suggestions are given as to the 'kind' of alternative to use. It is up to you to select the alternative to use that suits your needs best. If the recipe is heated or cooked, it is best to use an alternative that can be heated or cooked with for best results. This site does not endorse any specific ingredients,

    *As an Amazon Associate I earn from qualifying purchases. This means that the links on this website, and specifically on this post, that lead to other sites may be affiliate links.

    Nutrition

    Calories: 319kcal | Carbohydrates: 9g | Protein: 5g | Fat: 31g | Saturated Fat: 15g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 0.3g | Cholesterol: 65mg | Sodium: 72mg | Potassium: 52mg | Fiber: 2g | Sugar: 2g | Vitamin A: 825IU | Vitamin C: 3mg | Calcium: 69mg | Iron: 1mg
    Please note: Nutritional data has been calculated using a tool that comes with this recipe card and not by me. This means that Nutritional Information is only an estimate and can vary especially with ingredients that you use. The accuracy of this tool may differ from other tools as expected. Also note that there is no instructional value to the video that may be attached to this recipe. It is only there for visual pleasure. For more information about the images in this recipe, please refer the the recipe instructions. Thank you!

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    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    Sugar Free Frozen Key Lime Bars, a simple and delicious no bake dessert recipe made with lime juice and no added sugar.

    Please see recipe post for further details on this recipe.

    « No Added Sugar Blueberry Fruit Roll-Ups

    Filed Under: Dessert Bars, Keto and Low Carb Recipes, Sugar Free Desserts

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    Be sure to tag me @thesugarfreediva on social media if you post any photos!

    As an Amazon Associate I earn from qualifying purchases. This means that the links on this website, and specifically on this post, that lead to other sites may be affiliate links.

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    I am Annie and I am sharing some of my favorite no added sugar recipes with you. These recipes are easy and offer a more healthy way to make delicious food- which I love.

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