Best Ever Lemon Squares (Gluten-Free) Recipe -
Best Ever Lemon Squares (Gluten-Free) Recipe
  • READY IN 2 hr

Best Ever Lemon Squares (Gluten-Free)

Recipe by  

"A traditional but tangy lemon bar. These were truly raved about by my full gluten-eating relatives."

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Ingredients Edit and Save

Original recipe makes 24 servings Change Servings
  • PREP

    15 mins
  • COOK

    45 mins

    2 hrs


  1. Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish.
  2. Whisk 1 1/4 cup rice flour, confectioners' sugar, and oat flour together in a bowl. Mix butter into flour mixture until evenly combined; press into the bottom of the prepared baking dish.
  3. Bake in the preheated oven until crust is golden brown, about 15 minutes.
  4. Beat eggs together in a bowl until light and smooth. Combine white sugar, 1/4 cup rice flour, and baking powder together in a separate bowl; stir into beaten eggs until just combined. Stir lemon juice and lemon zest into egg mixture; pour over crust.
  5. Bake in the preheated oven until filling is set, about 30 minutes. Cool completely before cutting into bars.
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  • Cook's Note:
  • Be sure to use confectioners' sugar for the base. I have used different types of flour (such as brown rice flour) with quite varying results. I'm sure there are others that would work but this one worked great so I stuck with it. It also gives the benefits of oats which aren't too available in gluten-free. If you prefer to substitute regular flour just use equal amounts. And don't undercook by following times rather than descriptions!

Reviews More Reviews

Most Helpful Positive Review
Aug 22, 2014

This is the best recipe. My husband loved loved them.

Most Helpful Critical Review
Feb 02, 2015

I needed a gluten free dessert for a party and tried this. Mixed reviews. I didn't care for the gritty rice flour. Other really liked it! I would prefer more lemon flavor too. Not bad.


6 Ratings

Nov 27, 2014

They definitely were not lemony enough and too eggy. I would add like 4 lemons and the crust was a little too thick for my taste. Good basic recipe, just needs some tweaking

Sep 14, 2014

I ended up adding an 2 lemons instead if one for more flavor. When it set, I thought I had overlooked it, but it came out with a perfect consistency and flavor. I cut out the bars with a pizza cutter.

Feb 04, 2015

I definitely found that the lemons you use make a huge difference. mine came off a tree in my yard and were used within an hour. Also my lemons tend to be rather sweet (as lemons go.) I'm going to try again. soon. Thanks for your comments!

Jul 30, 2014

It does not taste particularly lemony. I don't think I'll use it again...


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  • Calories
  • 204 kcal
  • 10%
  • Carbohydrates
  • 29.8 g
  • 10%
  • Cholesterol
  • 51 mg
  • 17%
  • Fat
  • 8.9 g
  • 14%
  • Fiber
  • 0.5 g
  • 2%
  • Protein
  • 2.1 g
  • 4%
  • Sodium
  • 87 mg
  • 3%

* Percent Daily Values are based on a 2,000 calorie diet.

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