Gluten Free Lemon Brownies

A street-cart sunrise in Lisbon, a neon-lit market alley in Bangkok, a lemon seller in Sicily — these Gluten Free Lemon Brownies are a passport stamped with sugar and zest. Bright, tangy, and slightly rebellious, they taste like a small, sun-drenched adventure on a plate.

Why make this recipe

Because you want dessert that wakes up your taste buds and travels light — gluten-free, full of citrus swagger, and ready to pair with espresso or an evening porch breeze. These brownies are quick, forgiving, and perfect for anyone who believes life should include a little tang and a lot of texture.

How to make Gluten Free Lemon Brownies

Ingredients:

  • 250 g (1 1/4 cups) caster/superfine sugar or granulated sugar, zest of 2 lemons
  • 170 g (1 1/2 sticks) unsalted butter, melted and cooled until warm
  • 2 large eggs, room temperature
  • 2 egg yolks, room temperature
  • 1/2 tsp vanilla bean paste or 1 tsp vanilla extract
  • 45 g (3 tbsp) lemon juice, freshly squeezed
  • 150 g (1 1/4 cups) plain gluten free flour blend
  • 1/2 tsp xanthan gum
  • 1/4 tsp salt
  • 120 g (1 cup) powdered/icing sugar, sifted
  • 55 g (1/4 cup) full-fat cream cheese, room temperature
  • 10 g (2 tsp) lemon juice, freshly squeezed
  • zest of 1/2 lemon
  • 1/2 tsp vanilla bean paste or 1 tsp vanilla extract

Directions:

  1. Adjust the oven rack to the middle position, pre-heat the oven to 350F (180C) and line a 9-inch square baking pan with parchment paper.
  2. In a large bowl, mix the sugar and lemon zest together.
  3. Add the melted butter, eggs, egg yolks, and vanilla – whisk until combined.
  4. Add the lemon juice and whisk again.
  5. In another bowl, whisk together the gluten free flour blend, xanthan gum, and salt.
  6. Add the dry ingredients to the wet and mix until smooth.
  7. Pour the batter into the lined pan and smooth the top.
  8. Bake for 20-22 minutes or until golden and a toothpick comes out mostly clean.
  9. Allow to cool completely.
  10. For the icing, whisk together all icing ingredients until smooth.
  11. Spread the icing over the cooled brownies and allow to set.
  12. Cut into squares and serve.

How to serve Gluten Free Lemon Brownies

Serve these like a street vendor handing over a wrapped secret: warm or cooled, dusted with extra lemon zest for drama. Pair with a sharp espresso for late-night kinetic energy, a floral tea for afternoon reverie, or a scoop of vanilla ice cream for an impromptu dessert fiesta.

How to store Gluten Free Lemon Brownies

Keep cooled brownies in an airtight container at room temperature for up to 2 days, or refrigerate for up to 5 days. If chilled, bring to room temperature before serving for the best texture. For longer storage, freeze unsliced brownies (wrapped tightly) for up to 2 months; thaw overnight in the fridge, then finish at room temp.

Tips to make Gluten Free Lemon Brownies

  • Use freshly zested lemons — bottled zest is a mood killer.
  • Room-temperature eggs and butter ensure a silky emulsion and even bake.
  • If your gluten-free blend lacks xanthan gum, add a tiny extra (check the blend’s package) for chew and structure.
  • Don’t overbake. These are meant to be tender with a little chew — a slightly underdone toothpick is your friend.
  • For ultra-bright frosting, taste as you go with the lemon juice — a teaspoon can shift the balance dramatically.

Variations (if any)

  • Lemon-Poppy Seed: Stir 1–2 tbsp poppy seeds into the batter for crunch and an old-school patisserie vibe.
  • Blueberry Twist: Scatter fresh blueberries on top of the batter before baking for a juicy, colorful spin.
  • Thyme & Honey: Add a teaspoon of finely chopped fresh thyme to the batter and swap 1 tbsp honey for some sugar for an herbaceous grown-up version.
  • Coconut Crust: Press desiccated coconut into the pan before pouring batter for a tropical base.

FAQs

Q: Can I use regular wheat flour instead of a gluten-free blend?
A: Yes — swap 1:1 with an all-purpose flour if you’re not avoiding gluten. The texture will be slightly different but still delicious.

Q: My icing split — how can I fix it?
A: Whisk in a teaspoon of warm water or a touch more cream cheese, one small addition at a time, until it smooths out. Chill briefly to set.

Q: Can I make this dairy-free?
A: Substitute a plant-based butter and vegan cream cheese. The flavor will shift, but the lemon will keep the personality intact.

Q: Why use both eggs and extra yolks?
A: The yolks add richness and silkiness without making the crumb heavy — it keeps the brownie bright yet luxuriously tender.

Q: Can I reduce the sugar?
A: You can trim 20–25 g without wrecking structure, but the balance between sweet and tart is part of the recipe’s charm — taste the batter cautiously if you experiment.

Conclusion

If you want a couple of different takes or a visual guide while you channel your inner market-rambler, check out this playful riff at Gluten Free Lemon Brownies at The Loopy Whisk, and for another variation and tips, see the approachable version at Gluten Free Lemon Brownies at Eat With Clarity. Happy baking — may your crumbs lead you to new culinary corners.

Gluten Free Lemon Brownies

These Gluten Free Lemon Brownies bring a bright, tangy flavor and a delightful texture, making them a perfect light dessert for any occasion.
Prep Time 15 minutes
Cook Time 22 minutes
Total Time 37 minutes
Servings: 9 squares
Course: Dessert, Snack
Cuisine: American, Vegan
Calories: 250

Ingredients
  

Brownie Ingredients
  • 250 g caster/superfine sugar or granulated sugar
  • 2 lemons, zest of Use freshly zested lemons.
  • 170 g unsalted butter, melted and cooled Should be warm.
  • 2 large eggs, room temperature
  • 2 egg yolks, room temperature
  • 1/2 tsp vanilla bean paste or vanilla extract
  • 45 g lemon juice, freshly squeezed
  • 150 g plain gluten free flour blend
  • 1/2 tsp xanthan gum
  • 1/4 tsp salt
  • 120 g powdered/icing sugar, sifted
  • 55 g full-fat cream cheese, room temperature
  • 10 g lemon juice, freshly squeezed (for icing)
  • 1/2 lemon, zest of (for icing)
  • 1/2 tsp vanilla bean paste or vanilla extract (for icing)

Method
 

Preparation
  1. Adjust the oven rack to the middle position, preheat the oven to 350F (180C), and line a 9-inch square baking pan with parchment paper.
  2. In a large bowl, mix the sugar and lemon zest together.
  3. Add the melted butter, eggs, egg yolks, and vanilla - whisk until combined.
  4. Add the lemon juice and whisk again.
  5. In another bowl, whisk together the gluten free flour blend, xanthan gum, and salt.
  6. Add the dry ingredients to the wet and mix until smooth.
  7. Pour the batter into the lined pan and smooth the top.
Baking
  1. Bake for 20-22 minutes or until golden and a toothpick comes out mostly clean.
  2. Allow to cool completely.
Icing
  1. For the icing, whisk together all icing ingredients until smooth.
  2. Spread the icing over the cooled brownies and allow to set.
  3. Cut into squares and serve.

Notes

Serve these brownies warm or cooled, dusted with extra lemon zest. Pair them with espresso, floral tea, or vanilla ice cream. Store in an airtight container for up to 2 days at room temperature or in the fridge for up to 5 days.