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    Home » Pies & Tarts » Keto Cranberry Walnut Tart

    Published: Oct 9, 2022 by Carolyn

    Keto Cranberry Walnut Tart

    This post may contain Amazon or other affiliate links. As an Amazon Associate I earn from qualifying purchases.

    3.1K shares
    Jump to Recipe Print Recipe

    This Cranberry Walnut Tart is a delicious and elegant keto dessert recipe. It has a sweet caramel filling studded with tart berries and crunchy nuts. All topped off with a sweet drizzle of white chocolate. This post is sponsored by ChocZero.

    Cranberry Walnut Tart drizzled with sugar free white chocolate.

    Looking for the perfect keto holiday dessert? Then you’ve got to add this Keto Cranberry Walnut Tart to your list. It has all the wonderful rich flavors you love about autumn and Thanksgiving, and none of the sugar.

    And it tastes as good as it looks! It has a sweet caramel filling similar to my Keto Pecan Pie. And the contrast of the jewel red berries and the dark walnuts make it absolutely stunning.

    My keto desserts are often inspired by classic high carb recipes I see on other sites. But this one just popped into my head, unbidden, and I knew I had to make it. It was just as heavenly as I thought it would be.

    And the pretty drizzle of white chocolate overtop doesn’t hurt either!

    Keto Cranberry Walnut Tart in a white ceramic tart pan with walnuts and cranberries in the background.

    Baking with Keto White Chocolate

    I was recently asked on a podcast interview what I thought was one of the best developments in keto baking products. I instantly replied with white chocolate.

    It really opened up a whole new world of possibilities and I’ve had so much fun using it. I’ve made everything from the classics like Keto White Chocolate Macadamia Nut Cookies, to easy treats like Sugar-Free White Chocolate Mousse.

    And I adore melting it for drizzling, as I did in this keto cranberry tart. You can even use it to dip treats like my Keto Peppermint “Oreo” Truffles.

    Choczero makes wonderful sugar free chocolate chips along with a wide array of other wonderful products. And you can always get 10% off with code FOODDREAMER.

    Clickable banner: 10% off all ChocZero Products with Code FOODDREAMER

    Ingredients you need

    Top down image of ingredients for Keto Cranberry Walnut Tart.

    This post may contain Amazon or other affiliate links. As an Amazon Associate I earn from qualifying purchases.

    • Keto pie crust: This tart recipe uses my easy keto pie crust. You want to par-bake the crust for 10 minutes, then let it cool completely before adding the filling.
    • Butter: Use unsalted butter for the filling, so you can control the flavor.
    • Swerve Brown: Brown sugar replacements give the cranberry tart a richer, deeper flavor, which is perfect for the holidays.
    • BochaSweet: Using a little BochaSweet or allulose helps to keep the filling from recrystallizing as it cools. It stays more syrupy, which is idea for a tart like this. You can try xylitol as well.
    • Eggs: Just like pecan pie, this is a custard-based filling so eggs create the right consistency.
    • Walnuts: Chopping the walnuts up a bit helps make the tart easier to cut. If you aren’t a fan of walnuts, pecans are a good alternative.
    • Cranberries: Use fresh or frozen cranberries and cut any large ones in half. If using frozen cranberries, thaw them before assembling the tart.
    • White chocolate chips: White chocolate goes so deliciously well with cranberries and walnuts. The drizzle adds something really special and elegant. But you can also use dark chocolate.
    • Pantry staples: Vanilla, cinnamon, salt.

    Step by step directions

    A collage of 6 images showing the steps for making Keto Cranberry Walnut Tart.

    1. Prepare the crust: Prepare the crust according to the directions and press firmly and evenly into the bottom and up the sides of a 9-inch ceramic tart pan. Bake 10 minutes at 325ºF, and then let cool completely to firm up.

    2. Make the caramel: In a medium saucepan over medium low heat, melt the butter with the two sweeteners, stirring until the sweeteners have dissolved. Bring to a simmer and cook about 3 minutes, until it darkens in color and thickens slightly. Remove from the heat and let cool to room temperature.

    3. Add the cranberries and walnuts: Spread the cranberries and walnuts evenly over the cooled tart crust.

    4. Pour the filling over: Whisk the eggs, vanilla, cinnamon, and salt into the cooled caramel sauce until well combined. Pour evenly over the cranberries and walnuts.

    5. Bake the tart: Increase the oven heat to 350ºF and bake 35 to 45 minutes, or until the filling is mostly set but the middle still jiggles slightly when shaken. Let cool completely.

    6. Drizzle with chocolate: Melt the white chocolate chips in a microwave safe bowl in short increments, stirring until smooth. Drizzle over the cooled tart. You can also melt the chocolate in a heatproof bowl set over a pan of barely simmering water.

    A slice of cranberry walnut tart being lifted above the rest of the tart on a spatula.

    Expert tips and FAQ

    Ceramic pan: Keep in mind that ceramic and metal bake very differently. Metal pans will heat through faster and your crust may brown too quickly, so use ceramic if possible. If you do use metal, grease the pan more thoroughly and keep your eye on it during baking.

    Par-baking the crust: Keto crusts firm up much better if partially baked in advance. Remember to let it cool completely so that it’s firm when you add the filling.

    Melting white chocolate: Even regular white chocolate is extremely finicky and can seize easily. So melt it gently for this tart. I did mine in short bursts in the microwave (about 20 seconds at a time), stirring in between. You can do it on the stove but you must set up a double boiler for gentle heat.

    Can I eat cranberries on keto?

    Yes, fresh cranberries are very keto-friendly. Many people mistakenly believe that they are high in carbs because dried cranberries have tons of added sugar. But the fresh berries are very low in carbs and high in fiber. A cup of cranberries have 12g of carbs and almost 5g of fiber.

    Are walnuts keto-friendly?

    Walnuts are an excellent choice for keto dieters. A 1 ounce serving of walnuts has 3.9g of carbs and 1.9g of fiber. Walnuts are also high in iron and magnesium, and are a good source of omega-3 fatty acids.

    Close up of a slice of Keto Cranberry Walnut Tart on a white plate with a fork.

    More delicious cranberry recipes

    • Keto Cranberry Sauce
    • Cranberry Orange Scones
    • How to make Sugar Free Dried Cranberries
    • Easy Cranberry Muffins
    • Keto Cranberry Bliss Bars
    Freshly baked Keto Cranberry Walnut Tart in a white tart pan on a marble counter top.

    Cranberry Walnut Tart Recipe

    This Cranberry Walnut Tart is a delicious and elegant keto dessert recipe. It has a sweet caramel filling studded with tart berries and crunchy nuts. All topped off with a sweet drizzle of white chocolate.
    5 from 5 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Keyword: cranberry walnut tart, keto cranberry tart
    Prep Time: 20 minutes
    Cook Time: 55 minutes
    Total Time: 1 hour 15 minutes
    Servings: 12 servings
    Calories: 310kcal

    Ingredients

    • 1 keto pie crust
    • ½ cup butter
    • ⅓ cup Swerve Brown
    • ⅓ cup BochaSweet or allulose
    • 2 large eggs
    • 1 teaspoon vanilla extract
    • ¾ teaspoon cinnamon
    • ¼ teaspoon salt
    • 1 ½ cups walnut halves and pieces coarsely chopped
    • 1 cup cranberries chopped in half if large
    • 1 ½ ounces sugar-free white chocolate chips
    US Customary – Metric

    Instructions

    • Preheat the oven to 325ºF and lightly grease a 9-inch ceramic tart pan.
    • Prepare the crust according to the directions and press firmly and evenly into the bottom and up the sides of the prepared pan. Bake 10 minutes, and then let cool completely to firm up.
    • In a medium saucepan over medium low heat, melt the butter with the two sweeteners, stirring until the sweeteners have dissolved. Bring to a simmer and cook about 3 minutes, until it darkens in color and thickens slightly. Remove from the heat and let cool to room temperature.
    • Once cool, whisk in the eggs, vanilla, cinnamon, and salt. Spread the cranberries and walnuts in the prepared crust and pour the filling overtop.
    • Increase the oven heat to 350ºF and bake 35 to 45 minutes, or until the filling is mostly set but the middle still jiggles slightly when shaken. Let cool completely.
    • Melt the white chocolate chips in a microwave safe bowl in short increments, stirring until smooth. Drizzle over the cooled tart.

    Notes

    Storage Information: Cover with plastic wrap and store the tart on the counter for 3 days or in the fridge for 7 days.
    Melting white chocolate on the stove: Set up a double boiler by placing a heatproof bowl over a pan of barely simmering water. Add the white chocolate and stir frequently until smooth.  
    Nutrition Facts
    Cranberry Walnut Tart Recipe
    Amount Per Serving (1 serving = 1/12th of tart)
    Calories 310 Calories from Fat 257
    % Daily Value*
    Fat 28.6g44%
    Carbohydrates 7.7g3%
    Fiber 3.7g15%
    Protein 6.4g13%
    * Percent Daily Values are based on a 2000 calorie diet.
    3.1K shares

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    Nutritional Disclaimer

    Please note that I am not a medical or nutritional professional. I am simply recounting and sharing my own experiences on this blog. Nothing I express here should be taken as medical advice and you should consult with your doctor before starting any diet or exercise program. I provide nutritional information for my recipes simply as a courtesy to my readers. It is calculated using MacGourmet software and I remove erythritol from the final carb count and net carb count, as it does not affect my own blood glucose levels. I do my best to be as accurate as possible but you should independently calculate nutritional information on your own before relying on them. I expressly disclaim any and all liability of any kind with respect to any act or omission wholly or in part in reliance on anything contained in this website.

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    Comments

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      Recipe Rating




    1. Geneen says

      March 10, 2023 at 6:22 pm

      5 stars
      It JUST came out of oven and snow capped! Can’t wait to dig in!! Omg 👏🏼
      I did alter a bit with less “sugar”. I don’t dig sweet.

      Reply
    2. Maria says

      March 04, 2023 at 11:55 am

      5 stars
      Love this recipe…thank you so much for sharing your wonderful

      Reply
    3. Wendy says

      December 24, 2022 at 4:27 pm

      I don’t have any white chocolate on hand to make this – what can I use instead? Going to try regular chocolate as I have some of those sugar free milk chocolate chips

      Reply
    4. Kim says

      October 28, 2022 at 1:16 pm

      where do you buy boca sweet in Canada?

      Reply
    5. Cindy says

      October 17, 2022 at 12:58 pm

      5 stars
      Holy smokes did this turn out dangerously wonderful! Someone please keep me out of the kitchen! Made this on a wet and rainy morning and enjoyed a slice after lunch and it delights every sense. So tasty! It’s gonna be my family Thanksgiving pecan pie alternative!

      Reply
    6. Carol Xenos says

      October 11, 2022 at 3:55 pm

      Hi Carolyn, LOVE your recipes! Can this be made on a regular 9″ glass pie plate?

      Reply
      • Carolyn says

        October 11, 2022 at 5:22 pm

        One reader already did! It make take longer to bake, being deeper.

        Reply
    7. Christie says

      October 10, 2022 at 10:43 pm

      5 stars
      phenomenal!!! I almost screwed up the sauce but was able to save it ha ha. My non keto friends couldn’t stop telling me how good this recipe turned out. I’m going to make another one tomorrow.

      Reply
      • Carolyn says

        October 11, 2022 at 8:24 am

        Delighted to hear it!

        Reply
    8. Sherry corson says

      October 09, 2022 at 2:22 pm

      I’m going to order a ceramic tart pan. How deep is yours? Any recommendations?

      Reply
    9. Vicki White says

      October 09, 2022 at 9:38 am

      5 stars
      I’m going to make a foil divider to place down the middle of the crst and put pecans on one side and walnuts on the other with cranberries over all.
      I love walnuts, but my husband cannot eat them because of his thyroid meds. Thank you for a splendid recipe using my beloved cranberries.

      Reply
      • Carolyn says

        October 09, 2022 at 12:24 pm

        I’d love to hear how it turns out!

        Reply
      • Elaine says

        October 12, 2022 at 7:15 pm

        Hi Caroline,
        Can I use regular Lakanto in place of the Boca sweet? I don’t have that sweetener. Love your recipes!
        Thank you,
        Elaine

        Reply
        • Carolyn says

          October 13, 2022 at 6:54 am

          YOu can but it won’t be gooey and will recrystallize. Lakanto is erythritol, just like Swerve.

          Reply

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