How To Make Gluten Free Lemon Bars

How To Make Gluten Free Lemon Bars
How To Make Gluten Free Lemon Bars

“Gluten-Free Lemon Bars” are a type of dessert that adheres to a gluten-free diet. They are typically made without ingredients that contain gluten, a protein found in wheat, barley, and rye.

The main components of Gluten-Free Lemon Bars include:

  1. Crust: This is the base of the bars. In a gluten-free version, it is made using alternative flours that do not contain gluten, such as almond flour, coconut flour, or gluten-free all-purpose flour.
  2. Filling: The filling is made from a combination of fresh lemon juice, lemon zest, eggs, sugar, and sometimes a gluten-free flour or starch to help thicken it. It provides the signature tangy and citrusy flavour.
  3. Sweetener: Sugar or a suitable alternative like honey or a sugar substitute is used to sweeten the bars.
  4. Optional Toppings: Some recipes may include additional toppings like powdered sugar dusting or a lemon glaze for added sweetness and visual appeal.

Gluten-Free Lemon Bars provide a delightful combination of tartness from the lemons and sweetness from the filling and crust. They are suitable for individuals who have gluten sensitivities or celiac disease, allowing them to enjoy a tasty dessert without compromising their dietary needs.

How To Make This Recipe


For the Crust:

  • 1 cup gluten-free all-purpose flour
  • 1/2 cup unsalted butter, softened
  • 1/4 cup granulated sugar
  • A pinch of salt

For the Filling:

  • 4 large eggs
  • 1 and 1/2 cups granulated sugar
  • Zest of 4 lemons
  • 1 cup fresh lemon juice (about 8 lemons)
  • 1/4 cup gluten-free all-purpose flour
  • Powdered sugar for dusting (optional)


Making the Crust:

  1. Preheat Oven:
    • Preheat your oven to 180°C (350°F) and line a square baking dish with parchment paper.
  2. Mix Ingredients:
    • In a bowl, combine the gluten-free flour, softened butter, granulated sugar, and a pinch of salt. Mix until a crumbly dough forms.
  3. Press into Dish:
    • Press the mixture firmly into the bottom of the lined baking dish to form an even layer.
  4. Bake:
    • Place the dish in the preheated oven and bake for about 15-18 minutes or until the edges are lightly golden. Remove and let it cool.

Preparing the Filling:

  1. Whisk Eggs and Sugar:
    • In a large bowl, whisk together the eggs and granulated sugar until well combined.
  2. Add Lemon Zest and Juice:
    • Stir in the lemon zest and fresh lemon juice. Mix until well incorporated.
  3. Blend in Flour:
    • Gradually add the gluten-free flour while continuing to whisk, ensuring there are no lumps.

Baking and Cooling:

  1. Pour over Crust:
    • Pour the lemon filling over the cooled crust.
  2. Bake Again:
    • Place the dish back in the oven and bake for about 25-30 minutes, or until the filling is set and no longer jiggles.
  3. Cool Completely:
    • Allow the bars to cool completely in the dish on a wire rack.

Optional Dusting:

  • If desired, you can dust the top of the bars with powdered sugar for an extra touch of sweetness.

Cutting and Serving:

  1. Slice into Bars:
    • Once the bars are completely cooled, use a sharp knife to cut them into squares.
  2. Serve:
    • Serve your Gluten-Free Lemon Bars and enjoy this zesty and sweet treat!

Tips Of Recipe

  1. Choose a Quality Gluten-Free Flour: Opt for a reputable brand of gluten-free all-purpose flour. Different brands may have slightly different textures and flavours.
  2. Check Labels for Gluten-Free Certification: Ensure that all ingredients used, including the flour, are certified gluten-free to avoid any cross-contamination.
  3. Measure Ingredients Accurately: Use precise measurements for the flour, butter, sugar, and other ingredients to maintain the right balance of flavours and textures.
  4. Soften Butter Properly: Make sure the butter is softened but not melted. This ensures it incorporates well with the other crust ingredients.
  5. Press the Crust Firmly: When pressing the crust into the baking dish, apply even pressure to create a uniform layer. This helps prevent uneven baking.
  6. Grate Lemon Zest Carefully: Use a fine grater to get just the outer, colourful layer of the lemon peel. Avoid grating the bitter white pith beneath.
  7. Use Fresh Lemon Juice: Freshly squeezed lemon juice provides the best flavour. Avoid using bottled lemon juice, as it may have a different taste.
  8. Whisk Eggs Thoroughly: Ensure that the eggs are well beaten with the sugar for a smooth and creamy filling.
  9. Prevent Overmixing the Filling: Be gentle when combining the lemon juice, zest, eggs, and sugar to avoid incorporating excess air, which can lead to a puffed or uneven surface.
  10. Allow the Bars to Cool Completely: Before slicing, let the bars cool completely. This helps them set and makes cutting cleaner.
  11. Refrigerate Before Dusting with Powdered Sugar: If you plan to add powdered sugar, chill the bars in the fridge first. This prevents the sugar from melting into the warm bars.
  12. Store in an Airtight Container: To maintain freshness, store the bars in an airtight container in the refrigerator.

Frequently Asked Questions

  1. Can I use a different gluten-free flour for the crust?
    • Yes, you can experiment with different types of gluten-free flours, but be mindful that it may affect the texture and taste of the crust.
  2. Can I use bottled lemon juice instead of fresh lemons?
    • While fresh lemon juice is recommended for the best flavour, you can use bottled lemon juice as a substitute if necessary.
  3. How do I know when the lemon bars are fully set?
    • The bars are set when the filling no longer jiggles and has a firm texture. You can also insert a toothpick; if it comes out clean, they’re ready.
  4. Can I freeze Gluten-Free Lemon Bars?
    • Yes, you can freeze them. Ensure they are well wrapped to prevent freezer burn. Thaw in the fridge before serving.
  5. How long will Gluten-Free Lemon Bars stay fresh?
    • When stored in an airtight container in the refrigerator, they can stay fresh for up to five days.
  6. Can I omit the powdered sugar dusting?
    • Yes, the powdered sugar is optional and can be omitted if you prefer a less sweet dessert.
  7. Can I use a different citrus fruit for the filling?
    • While the recipe calls for lemons, you can try using other citrus fruits like limes or oranges for a different flavour profile.
  8. Can I add other toppings to the bars?
    • Absolutely! You can get creative with toppings like a dollop of whipped cream, a drizzle of fruit syrup, or a sprinkle of chopped nuts.
  9. What’s the best way to store leftover Lemon Bars?
    • Store them in an airtight container in the refrigerator to maintain freshness.
  10. Can I make these bars ahead of time?
    • Yes, you can make them a day ahead and store them in the refrigerator. This allows the flavours to meld together.


  1. Dust with Powdered Sugar: Just before serving, lightly dust the top of each bar with a sprinkle of powdered sugar for an extra touch of sweetness and a beautiful presentation.
  2. Garnish with Lemon Zest: Grate a bit of fresh lemon zest over the bars for a burst of citrus aroma and flavour.
  3. Serve with Fresh Berries: Arrange a handful of fresh berries like raspberries, blueberries, or strawberries alongside the bars for a colourful and fruity contrast.
  4. A Dollop of Whipped Cream: Top each bar with a dollop of freshly whipped cream for a creamy, indulgent addition.
  5. Drizzle with Fruit Syrup: Add a drizzle of raspberry or strawberry syrup for an extra burst of fruity sweetness.
  6. Sprinkle with Chopped Nuts: For a delightful crunch, sprinkle some finely chopped almonds, pecans, or pistachios over the bars.
  7. Pair with Herbal Tea: Serve with a cup of fragrant herbal tea like chamomile or mint for a soothing and refreshing combination.
  8. Mint Leaves for Freshness: Garnish with a few fresh mint leaves for a pop of colour and a hint of minty freshness.
  9. Serve with a Scoop of Sorbet: Accompany the bars with a scoop of lemon or berry sorbet for a cool, palate-cleansing contrast.
  10. Add a Drizzle of Honey: Drizzle a touch of honey over each bar for a natural and subtly sweet finish.
  11. Pair with Sparkling Lemonade: Serve alongside a glass of sparkling lemonade with a slice of lemon for a fizzy, citrusy beverage.
  12. Create a Dessert Platter: Arrange the bars on a platter alongside other bite-sized desserts for a diverse and indulgent dessert spread.

How to Store

  1. Allow Bars to Cool Completely: Before storing, ensure that the bars have cooled to room temperature. This prevents condensation from forming inside the storage container.
  2. Cut into Portions (if not already): If you haven’t already, cut the bars into individual servings. This makes it easier to retrieve and serve later.
  3. Airtight Container: Place the bars in an airtight container with a lid that seals tightly. This helps prevent exposure to air, which can affect the texture and flavour.
  4. Parchment Paper Layers (Optional): If you’re stacking the bars in the container, consider placing sheets of parchment paper between each layer. This prevents them from sticking together.
  5. Refrigerate for Freshness: Due to the fruit content, it’s best to store these bars in the refrigerator. They will stay fresh for up to five days.
  6. Label and Date (Optional): If you’re preparing ahead, you can label the container with the contents and the date they were made. This helps you keep track of their freshness.
  7. Avoid Moisture: Keep the container away from areas of high humidity or moisture, as it can affect the texture of the bars.
  8. Avoid Strong Odours: Store the container away from strongly scented foods to prevent the bars from absorbing unwanted flavours.
  9. Check for Freshness: Before serving leftover bars, check for any signs of spoilage such as an off-smell, unusual texture, or change in appearance. If in doubt, err on the side of caution and discard.
  10. Serve at Room Temperature (Optional): If you prefer your bars slightly warmer, allow them to sit at room temperature for a few minutes before serving.

How to Freeze

  1. Allow Bars to Cool: Ensure that the bars have completely cooled to room temperature after baking. This helps maintain their texture and flavour.
  2. Cut into Portions: If you haven’t already, cut the bars into individual servings. This makes it easier to thaw and enjoy later.
  3. Wrap Each Bar Individually: Wrap each bar tightly in plastic wrap or aluminium foil. This prevents freezer burn and helps maintain their freshness.
  4. Double Wrap (Optional): For added protection, you can double-wrap the bars by placing the wrapped bars in a resealable freezer bag.
  5. Label and Date: Use a marker to label the wrapped bars with the contents and the date of freezing. This helps you keep track of storage times.
  6. Choose a Suitable Freezer Spot: Find a spot in your freezer where the bars won’t be squished or jostled. Lay them flat to avoid any potential damage.
  7. Freeze for up to Three Months: The Gluten-Free Lemon Bars can be frozen for up to three months. Beyond this time, the quality may start to decline.
  8. Thaw in the Refrigerator: When you’re ready to enjoy a bar, transfer it from the freezer to the refrigerator. Let it thaw slowly and completely, which can take several hours or overnight.
  9. Serve at Room Temperature: Once thawed, allow the bar to come to room temperature for a few minutes before serving. This enhances their flavour and texture.
  10. Avoid Re-Freezing: Once a bar has been thawed, it’s best not to refreeze it, as this can affect the texture and taste.


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