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    Home » Grain Free » Keto Apple Crisp Recipe

    Keto Apple Crisp Recipe

    October 31, 2019 By faith 1 Comment

    Jump to Recipe Print Recipe

    This Low Carb Keto Apple Crisp has a sweet, juicy, and aromatic cinnamon-spiced apple filling with a nutty crumble topping, and just 5g net carbs per serving. It’s the stuff your fall dessert dreams are made of! (Spoiler Alert: There are no apples in sight; read on to see the secret ingredient!)

    Keto Apple Crisp in Bowl Topped with Low Carb Ice Cream Along with Casserole Dish of Mock Apple Crisp

    I’m an apple girl through-and-through, and I'm a little picky about my apples. (I blame the fact that New York’s amazing apples spoiled me from the beginning, lol!)

    I love a sweet/tart crisp apple eaten out-of-hand, sliced into a green salad, added to homemade breakfast sausage, and as the star of the show in a savory chicken dish.

    And I’m a sucker for an apple dessert! My mom makes the world’s best apple pie, and I make a pretty mean apple crumble. Baked apples are also one of my specialties, and I make a quick 5-Minute Cinnamon Pecan “Baked” Breakfast Apple for busy mornings!

    But as far as fruit goes, apples are unfortunately fairly high in carbohydrates. I’m not saying that apples are unhealthy (I love apples and eat them regularly!), but when you’re trying to keep your carbs down, it’s good to have a few options.

    You will be shocked at how much this Keto Apple Crisp recipe using zucchini tastes like a regular apple crisp. Make it for your friends and family and unless you tell them what’s in it, I don’t think they’ll guess.

    This is the perfect addition to your holiday dessert table!

    Jump to:
    • The Inspiration for This Keto Apple Crisp Recipe
    • Are Apples Keto?
    • The Best Low Carb Apple Crisp Recipe – Keto Apple Crisp Made with Zucchini
    • Apple Crisp FAQs
    • More Low Carb Apple Dessert Recipes to Try
    • Keto Apple Crisp
    Front View of Low Carb Apple Crisp in Bowl

    The Inspiration for This Keto Apple Crisp Recipe

    A few years ago (circa 2012) before I moved away from Buffalo, a friend of mine gave me a recipe for Zucchini Crisp. It wasn’t low carb or keto friendly, it just substituted zucchini for apple because she had a ton of zucchini growing in her garden!

    (Side Note: One of the best things about being a food blogger is that people give you food and food-related gifts! Even more than a plate of cookies or a bowl of stew, I love when people share their family’s heirloom recipes with me. What an honor.)

    I never got around to making her recipe, and then I moved to Kuwait, and later to DC, and then to Florida and in the shuffle I somehow misplaced her recipe. But it’s been in the back of my mind since then. I’m so happy I finally got around to making a low carb and keto friendly mock apple crisp!

    Keto Apple Crisp with Vintage Spoons on White Wooden Table

    Are Apples Keto?

    As far as fruit goes, apples are fairly high in carbohydrates. If you’re trying to maintain a state of nutritional ketosis (keeping your net carbs around 30g per day, or whatever your personal macronutrient requirements are), you can eat a portion of apple and still stay in ketosis. However, just like with anything else, you have to be mindful of portion size.

    The portion of apple that you can eat and keep your carbs within your desired range will be relatively small. This is especially true when you compare the portion of an apple with the portion of a lower carb fruit, such as raspberries, which are much lower in carbs.

    Check out this article on keto basics on The Keto Queens to read more.

    The Takeaway: You can fit any food into a ketogenic lifestyle if you eat a small enough portion of it!

    Close Up Overhead View of Keto Apple Crisp

    Apple Nutrition Information

    According to the USDA Food Database, 1 medium (182g) raw apple has the following nutrition information:

    • 94.6kcals
    • .473g protein
    • .309g fat
    • 25.1g carbohydrates
    • 4.37g fiber
    • 20.73g net carbs
    Keto Apple Crisp Recipe with Description

    The Best Low Carb Apple Crisp Recipe – Keto Apple Crisp Made with Zucchini

    How ironic that this version of low carb apple crisp doesn’t have a single apple! It’s a mock apple crisp, and you’ll be surprising at just how close it tastes to the real thing.

    Keto Apple Crisp Ingredients

    Zucchini Filling:

    • Zucchini
    • Fresh lemon juice
    • Swerve Brown Sugar Replacement
    • Liquid stevia
    • Vanilla
    • Cinnamon
    • Nutmeg
    • Salt

    Crumble Topping:

    • Almond flour
    • Golden flaxseed meal
    • Swerve Brown Sugar Replacement
    • Salt
    • Cinnamon
    • Vanilla
    • Unsalted Butter
    • Egg white
    • Walnuts
    Keto Apple Crisp in Bowl Next to Casserole Dish of Mock Apple Crisp

    How to Make Apple Crisp – The Keto Way!

    To use zucchini to simulate apple in this delicious dessert, we first have to make zucchini look as close to apple as possible. We eat with our eyes first, right?

    First peel the zucchini. Then trim off the ends, cut each zucchini in half length-wise, and use a spoon to scrape out the seeds inside. Note that you might not need to scrape out the seeds, it generally depends on the size of the zucchini. Slice each zucchini half cross-wise into half-moons.

    Pro Tip: Look for smaller, more narrow zucchini for fewer or no seeds!

    How to Chop Zucchini

    When the zucchini is peeled and sliced, it should look like this.

    sliced zucchini for keto apple crisp

    Combine the zucchini, lemon juice, sweetener, and a few other flavorings in a saucepan and cook it down on the stovetop.

    Sliced Zucchini with Sweetener and Spices for Keto Apple Crisp

    Then transfer the zucchini filling to a casserole dish.

    Zucchini Mock Apple Filling in Casserole Dish

    Now it's time to make the crumble topping!

    Topping for Apple Crumble

    This couldn’t be easier; cut the butter into the dry ingredients with a fork.

    Sprinkle Crumble Topping on Zucchini Filling

    Sprinkle the crumble topping on top of the filling, and bake until it’s golden and bubbling.

    Baked Keto Apple Crisp

    Serve warm and revel in the fact that low carb is pretty darn delicious.

    And if you really want to take it to the next level and gild the lily, serve it topped with a scoop of Cheesecake Ice Cream!

    Low Carb Apple Crisp Recipe with Cheesecake Ice Cream

    Apple Crisp FAQs

    What is the Difference Between Apple Crisp and Apple Crumble?

    These two apple-based treats are very similar! They both contain an apple filling with a streusel topping. However, apple crisp topping traditionally contains oats, while apple crumble topping does not.

    Read more about the difference between a crumble and a crisp on The Kitchn and Taste of Home.

    Can You Freeze an Apple Crumble?

    Yes, you can freeze apple crumble and apple crisp either before or after baking.

    To freeze apple crumble or apple crisp before baking:

    1. Complete steps 1 through 6 of this recipe. Make sure the zucchini filling is completely cool before sprinkling on the topping.
    2. Wrap the dish well (a double layer of aluminum foil works well if the casserole dish doesn’t have a cover, or use this 7 by 11-inch glass casserole dish with lid). Label the dish with the date and contents.
    3. Freeze for up to 3 months.
    4. Thaw at room temperature the night before you want to bake this.
    5. Once thawed, bake at 350F until warm and bubbling, about 25 minutes.

    To freeze apple crumble or apple crisp after baking:

    1. Complete steps 1 through 7 of this recipe (but skip step 1 until you want to bake it!).
    2. Cool to room temperature, and then wrap the dish well (a double layer of aluminum foil works well if the casserole dish doesn’t have a cover). Label the dish with the date and contents.
    3. Freeze for up to 3 months.
    4. Thaw at room temperature the night before you want to bake this.
    5. Once thawed, bake at 350F until warm and bubbling, about 15 to 20 minutes.

    How Long is Apple Crisp Good For?

    After the first day, move this to the fridge to extend its shelf life. If stored covered in the fridge, apple crisp stays good for about 3 to 5 days.

    The same thing for this faux Keto Apple Crisp, it should stay good covered in the fridge for up to 5 days.

    Single Bowl of Faux Apple Crisp Topped with Low Carb Ice Cream on Wooden Table

    More Low Carb Apple Dessert Recipes to Try

    • Grain Free Low Carb Apple Dump Cake
    • Low Carb Apple Bread
    • Keto Apple Tart
    • Low Carb Apple Upside Down Cake
    Keto Apple Crisp in Bowl with Brown Flowers

    Did you make this recipe? Please rate it and leave a comment below because I love hearing from you! You can also tag @anediblemosaic and #healthysweeteats on social media. To stay up-to-date FOLLOW ME on Instagram, Twitter, and Facebook. Xoxo, Faith

    Keto Apple Crisp Featured Image

    Keto Apple Crisp

    This Keto Apple Crisp has a sweet, juicy, and aromatic cinnamon-spiced apple filling with a nutty crumble topping. (No apples in sight!)
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 30 minutes
    Cook Time: 50 minutes
    Servings: 8 servings
    Calories: 195kcal
    Author: Faith Gorsky

    Ingredients

    Zucchini Filling:

    • 1 ½ pounds zucchini about 3 small-medium zucchini; about 4 cups sliced
    • ⅓ cup fresh lemon juice
    • 1 cup Swerve Brown Sugar Replacement
    • 10 drops liquid stevia
    • 1 ½ teaspoons pure vanilla extract
    • 2 teaspoons cinnamon
    • ½ teaspoon nutmeg
    • ¼ teaspoon salt

    Crumble Topping:

    • 1 cup almond flour
    • 2 tablespoons golden flaxseed meal
    • 2 tablespoons Swerve Brown Sugar Replacement
    • ¼ teaspoon salt
    • ¼ teaspoon cinnamon
    • ½ teaspoon pure vanilla extract
    • 4 tablespoons chilled unsalted butter diced
    • 1 large egg white
    • 4 tablespoons walnuts chopped
    US Customary - Metric

    Instructions

    • Preheat the oven to 350F.
    • For the zucchini filling, peel the zucchini. Trim off the ends, cut each zucchini in half length-wise, and use a spoon to scrape out the seeds inside. Slice each zucchini half cross-wise into ¼-inch slices (they will look like half-moons).
    • Add all ingredients for the zucchini filling to a large saucepan over medium heat. Cover the saucepan and cook until the zucchini is tender, but not mushy, about 20 to 25 minutes. As soon as it reaches a vigorous boil (this takes about 9 to 10 minutes), uncover the saucepan, turn the heat down slightly, and continue the rest of the cooking time uncovered, stirring occasionally.
    • Pour the zucchini mixture (and the liquid) into a 7 by 11-inch casserole dish (or equivalent size).
    • For the crumble topping, whisk together the almond flour, golden flaxseed meal, brown sugar replacement, salt, and cinnamon in a large bowl. Whisk in the vanilla. Cut in the butter with a fork or pastry cutter until it looks like coarse meal (there should be some pieces the size of peas). Mix in the egg white with a fork until crumbly. Stir in the walnuts.
    • Sprinkle the crumble topping on the zucchini filling.
    • Bake until the filling is bubbling and the topping is golden, about 25 minutes at 350F.
    • Serve warm or at room temperature.
    • Store leftovers covered in the fridge for up to 5 days.

    Helpful Tips

    • Net Carbs: 5g per serving
    • For step-by-step photos check out the post above! You can see exactly how to cut the zucchini for this recipe.
    • I know this seems like a lot of lemon juice, but it's not! Apples are naturally acidic and in order to mimic their flavor when using zucchini, we need to add acid in the form of lemon juice. The sourness of the lemon juice is balanced by the sweetener in this recipe.
    • To serve leftovers warm, you can reheat this in the microwave (in a microwave-safe dish) or in a 350F oven (in an oven-safe dish) until warm (about 15 minutes at 350F).
    • Serve this with a scoop of your favorite low carb ice cream on top. Cheesecake Ice Cream is perfect!
    • This recipe tastes even better the next day once the flavors blend.

    Nutrition

    Calories: 195kcal | Carbohydrates: 8g | Protein: 6g | Fat: 17g | Saturated Fat: 5g | Cholesterol: 15mg | Sodium: 209mg | Potassium: 275mg | Fiber: 3g | Sugar: 3g | Vitamin A: 345IU | Vitamin C: 19mg | Calcium: 59mg | Iron: 1mg
    Tried this recipe?Mention @anediblemosaic or tag #healthysweeteats!
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    Reader Interactions

    Comments

    1. Lyn Berry

      April 13, 2020 at 3:36 pm

      Hello! This looks amazing and just in time for zucchini season as well! I am new to your site and I'm looking forward to trying your recipes. I am Keto so keep posting those Keto recipes! Thanks!

      Reply

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    Hi, I'm Faith! I believe you can have your cake and eat it too. For breakfast. If you're looking for healthy dessert recipes that are gluten free, refined sugar free, paleo, vegan, low carb, and/or keto, grab a spoon and pull up a chair!

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