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    Home » Gluten Free » Lemon Meringue Pie

    Published: Jun 23, 2015 · Modified: Nov 22, 2019 by Carolyn

    Lemon Meringue Pie

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

    11.3K shares
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    The beloved classic lemon meringue pie gets a low carb, grain-free makeover. The lemon filling is both tart and sweet, and the meringue is crisp on the outside, tender in the middle. 

    Low carb lemon meringue pie recipe, a classic!

    I sincerely love making over the classics to be low carb and gluten-free. The funny part is that many of these classic dishes and desserts are not things I would have bothered with back in my sugar and flour days. Some of them I simply wasn’t interested in and some of them were just a little too daunting. For others, I would have had to follow the recipe to the letter and goodness knows how I hate doing that. I can hardly make my own recipes the same way twice. But now the challenge of recreating the classics in a healthy format I can enjoy holds great appeal. Can I take an iconic dish, something that stands out in people’s minds as the food or dessert they remember from childhood, that their grandmother made every time they came over, and can I remake it without sugar or flour or grains? Can I make it more than simply palatable, more than a mere approximation of the classic they love so much? Can I not only make it, but make it really, REALLY good?

    Classic lemon meringue pie made low carb and gluten-free. It's heavenly!

    Yep, I sure can. At least in this case, I believe I conquered that challenge and conquered it admirably. Now if only I could conquer crusty Italian or French bread. Then I would be the master of the low carb universe.

    Lemon meringue is honestly not one that was very significant in my childhood. Ever the chocoholic, I would forego the citrus-based desserts in favour of something darker, creamier and denser. I know I had lemon meringue pie on a number of occasions, and it was even pretty good a few times. Other times, it was an overly-sweet, soggy mess. But such is the way with any classic dessert, there are good ones and there are awful ones.

    Low Carb Keto Lemon Meringue Pie Recipe

    Since I already have a low carb pastry recipe that I love, my challenge with this classic lay in both the filling and in the meringue. Lemon meringue fillings are made with plenty of cornstarch to help them set properly and we know that isn’t a gonna fly for low carb. And meringue without sugar can be tricky, as it can either be overly hard and crunchy, or it can lack structure and deflate during baking. I wanted the filling to be slightly gooey but not liquid, so I decided to tackle that in two ways. First, with xanthan gum to help thicken it a little, and secondly, with a little gelatin to help it set properly. I was more worried about the meringue, thinking it might disintegrate when I tried to spread it over the warm filling. But it held up nicely and even better, it baked to that perfect soft crispness. It was crisp on the very outside but sweet and tender on the inside, and I think it was the mix of both granulated and powdered sweetener that helped.

    One word to the wise: be patient. Let it chill the full 3 hours. Don’t do as I did and cut in too soon or the un-set lemon filling starts oozing out everywhere. Patience is a virtue that I don’t have enough of!

    Classic lemon meringue pie made sugar free and low carb. Guilt-free indulgence!

    Classic lemon meringue pie made low carb and gluten-free. It's heavenly!

    Low Carb Lemon Meringue Pie

    The beloved classic lemon meringue pie gets a low carb, grain-free makeover. The lemon filling is both tart and sweet, and the meringue is crisp on the outside, tender in the middle.
    4.67 from 12 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: Dessert
    Prep Time: 25 minutes
    Cook Time: 50 minutes
    Chill Time: 3 hours
    Total Time: 4 hours 15 minutes
    Servings: 1 pie
    Calories: 218kcal

    Ingredients

    Pastry Crust:

    • 1 ¼ cup almond flour
    • 2 tablespoon coconut flour
    • 2 tablespoon arrowroot starch OR 2 tablespoon oat fiber for THM
    • 1 tablespoon granulated Swerve Sweetener
    • 1 teaspoon xanthan gum
    • ¼ teaspoon salt
    • 5 tablespoon butter chilled and cut into small pieces
    • 2-4 tablespoon ice water

    Filling:

    • 1 cup plus 2 tablespoon water divided
    • 1 cup granulated Swerve Sweetener
    • 2 teaspoon lemon zest
    • ¼ teaspoon salt
    • 4 large egg yolks
    • ⅓ cup lemon juice
    • 3 tablespoon butter
    • ½ teaspoon xanthan gum
    • 1 tablespoon grassfed gelatin (can use 1 envelope Knox gelatin)

    Meringue Topping:

    • 4 large egg whites at room temperature
    • ¼ teaspoon cream of tartar
    • Pinch salt
    • ¼ cup powdered Swerve Sweetener
    • ¼ cup granulated Swerve Sweetener
    • ½ teaspoon vanilla extract

    Instructions

    Crust:

    • Preheat oven to 325F.
    • Combine almond flour, coconut flour, arrowroot starch, sweetener, xanthan gum and salt in the bowl of a food processor. Pulse to combine.
    • Sprinkle surface with butter pieces and pulse until mixture resembles coarse crumbs.
    • With processor running on low, add ice water, one tablespoon at time until dough begins to clump together.
    • Place a large piece of parchment on work surface and dust liberally with additional almond flour. Turn out dough and pat into a circle. Sprinkle with more almond flour and cover with another large piece of parchment.
    • Roll out carefully into an 11-inch circle. Remove top layer of parchment. Place a 9-inch pie pan upside down on crust and then carefully flip both over so crust is lying in the pie pan. Remove parchment. (Alternatively, you can skip rolling out the pastry and simply press the crust into the bottom and up the sides of the pan).
    • You may get some cracking and tears. Simply use small pieces of pastry from the overhang to patch them up. Crimp the edges of the crust and prick all over with a fork.
    • Bake crust 12 minutes, then remove and let cool.

    Lemon Filling:

    • In a medium saucepan over medium heat, combine 1 cup of the water, sweetener, lemon zest and salt. Bring to just a boil, whisking frequently, until sweetener dissolves.
    • In a medium bowl, whisk egg yolks until smooth. Slowly add about ½ cup of the water to the egg yolks, whisking constantly. Then gradually whisk the egg yolks back into the pan and lower the heat to low. Cook for 1 minute more, stirring continuously.
    • Stir in lemon juice and butter and whisk until smooth. Sprinkle surface with xanthan gum and whisk vigorously to combine.
    • In a small bowl, stir together the remaining two tablespoons of water and the gelatin. Let sit 2 minutes until gelled, then stir into hot lemon mixture, whisking until well combined. Cover and set aside while making the meringue.

    Meringue Topping:

    • In a large bowl, beat egg whites with cream of tartar and salt until frothy. With beaters going, slowly add sweeteners and vanilla extract and continue to beat until stiff peaks form.

    To assemble:

    • Preheat oven to 300F.
    • Pour warm filling into crust. Dollop with meringue and spread right to the edges so that the meringue meets the crust. Swirl the top with the back of a spoon.
    • Bake 20 minutes or until meringue topping is golden and just barely firm to the touch. Remove and let pie cool 20 minutes, then refrigerate at least 3 hours to set.

    Notes

    Serves 10. Each serving has 7.22 g of carbs and 2.12 g of fiber. Total NET CARBS = 5.1 g.
    Food energy: 218kcal
    Total fat: 17.51g
    Calories from fat: 157
    Cholesterol: 98mg
    Carbohydrate: 7.22g
    Total dietary fiber: 2.12g
    Protein: 6.45g
    Sodium: 174mg
    Nutrition Facts
    Low Carb Lemon Meringue Pie
    Amount Per Serving (1 slice)
    Calories 218 Calories from Fat 158
    % Daily Value*
    Fat 17.51g27%
    Cholesterol 98mg33%
    Sodium 174mg7%
    Carbohydrates 7.22g2%
    Fiber 2.12g8%
    Protein 6.45g13%
    * Percent Daily Values are based on a 2000 calorie diet.

    11.3K 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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      Recipe Rating




    1. Sharon says

      May 14, 2022 at 12:48 pm

      Is your filling to be thickened before putting into pie crust & spreading meringue on top. Because mine is still very runny. How can I save this?

      Reply
      • Carolyn says

        May 14, 2022 at 1:13 pm

        If you added gelatin, it will thicken as it cools.

        Reply
    2. Scc says

      March 26, 2022 at 7:06 pm

      2 stars
      The Poe did not set up. So disappointed. Went back to read recipe to see if I missed something. Followed exactly and even had in fridge longer than 3 hours. So disappointed!

      Reply
      • Carolyn says

        March 26, 2022 at 8:54 pm

        Did you use a different sweetener? If you used gelatin, it should absolutely set so I can’t see why it wouldn’t unless you changed an ingredient.

        Reply
    3. Brenda says

      February 09, 2022 at 4:13 pm

      5 stars
      OH MY GOODNESS!!! This pie is perfection! I am the only one in my family that eats keto, so am constantly making regular desserts with regular sugar as well as keto for me. I bet they wouldn’t be able to tell the difference between theirs and mine! This is the best keto dessert I’ve ever made! Thank you so very much!

      Reply
    4. Duchesne says

      November 23, 2021 at 11:57 am

      5 stars
      Bonjour félicitation pour vos belles recettes. J’ai fait la tarte au citron qui au goût est juste wow! merci . Mais une fois refroidi le sucre à cristalliser dans la garniture. Pouvez-vous m’expliquer la raison. Mon sucre est le fruit Des Moines
      Merci Marie Therese

      Reply
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