Citrus Lemon Bars Recipe

Posted on July 15, 2026

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why make this recipe

Sunburst Lemon Bars are a delightful treat that balances sweet and tart flavors perfectly. These bars are not only easy to make but also share a refreshing taste that brightens up any dessert table. They’re perfect for gatherings, picnics, or simply satisfying a sweet tooth. The sunny lemon flavor lifts the spirit, making these bars a constant favorite among family and friends.

Citrus Lemon Bars Recipe

how to make Sunburst Lemon Bars

Ingredients:

  • 1 cup butter (softened)
  • ½ cup powdered sugar
  • 2 teaspoons lemon zest
  • 2 cups all-purpose flour
  • 4 eggs
  • 2 cups sugar
  • ¼ cup all-purpose flour (brown rice flour for GF alternative)
  • 1 teaspoon baking powder
  • 5 tablespoons fresh lemon juice
  • 1 tablespoon lemon zest
  • 1 cup powdered sugar (for glaze)
  • 2 tablespoons lemon juice (for glaze, plus more as needed)
  • 1⅓ cup brown rice flour
  • ⅓ cup tapioca starch
  • ⅓ cup potato starch

Directions:

  1. Preheat the oven to 350°F (175°C). Grease a 9×13 inch baking dish.
  2. For the crust, mix softened butter and powdered sugar in a bowl until creamy. Stir in 2 teaspoons of lemon zest and gradually add 2 cups of flour. Press this mixture into the bottom of the prepared dish. Bake for 15-20 minutes or until lightly golden.
  3. In a separate bowl, whisk together the eggs and sugar until well combined. Add the remaining lemon zest, lemon juice, and flour, mixing thoroughly.
  4. Pour the filling over the cooked crust and bake for another 20-25 minutes, until set.
  5. For the glaze, mix powdered sugar with lemon juice until you reach the desired consistency.
  6. Once the bars have cooled, drizzle the glaze over the top, cut them into squares, and serve.

how to serve Sunburst Lemon Bars

Sunburst Lemon Bars are best served chilled or at room temperature. Cut them into squares and place them on a serving platter. For an extra touch, sprinkle some additional lemon zest on top or add fresh berries as a garnish. They pair beautifully with a cup of tea or coffee.

Citrus Lemon Bars Recipe

how to store Sunburst Lemon Bars

To store Sunburst Lemon Bars, place them in an airtight container. They can be kept in the refrigerator for up to a week. If you want to store them for longer, you can freeze the bars. Wrap them in plastic wrap and then place them in a freezer-safe container. They will last for about three months in the freezer.

Citrus Lemon Bars Recipe

tips to make Sunburst Lemon Bars

  • Make sure the butter is softened to room temperature for a smooth crust mixture.
  • Fresh lemon juice and zest give the best flavor, so avoid bottled alternatives if possible.
  • Feel free to adjust the amount of lemon juice in the glaze based on your desired sweetness or tartness.
  • Let the bars cool completely before drizzling the glaze to avoid it running off.

variation

For a gluten-free version, substitute all-purpose flour with a blend of brown rice flour, tapioca starch, and potato starch as listed in the ingredients. This keeps the delightful texture intact while meeting dietary needs.

FAQs

1. Can I use bottled lemon juice instead of fresh?
While bottled lemon juice can be used in a pinch, fresh lemon juice provides a brighter flavor that enhances the taste of the bars.

2. How do I know when the lemon bars are done baking?
The lemon bars are done when the filling is set and no longer jiggly in the center. A slight golden color around the edges is also a good sign.

3. Can I make these bars ahead of time?
Yes! You can make Sunburst Lemon Bars a day in advance. Just be sure to store them in the refrigerator until you’re ready to serve.

Sunburst Lemon Bars

Delightful lemon bars that perfectly balance sweet and tart flavors, ideal for any dessert table or gathering.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 12 squares
Course: Dessert, Snack
Cuisine: American
Calories: 250

Ingredients
  

For the crust
  • 1 cup butter (softened) Make sure the butter is softened to room temperature for a smooth crust.
  • ½ cup powdered sugar
  • 2 teaspoons lemon zest Use fresh lemon zest for the best flavor.
  • 2 cups all-purpose flour You can use brown rice flour as a gluten-free alternative.
For the filling
  • 4 large eggs
  • 2 cups sugar
  • ¼ cup all-purpose flour Optional: Use brown rice flour for gluten-free.
  • 1 teaspoon baking powder
  • 5 tablespoons fresh lemon juice Fresh juice gives a better flavor.
  • 1 tablespoon lemon zest
For the glaze
  • 1 cup powdered sugar
  • 2 tablespoons lemon juice Adjust consistency with more lemon juice as needed.
For gluten-free alternative
  • 1⅓ cup brown rice flour
  • cup tapioca starch
  • cup potato starch

Method
 

Preparation
  1. Preheat the oven to 350°F (175°C) and grease a 9x13 inch baking dish.
  2. For the crust, mix the softened butter and powdered sugar in a bowl until creamy.
  3. Stir in 2 teaspoons of lemon zest and gradually add 2 cups of flour, mixing well.
  4. Press the mixture into the bottom of the prepared dish and bake for 15-20 minutes or until lightly golden.
Filling
  1. In a separate bowl, whisk together the eggs and sugar until well combined.
  2. Add the remaining lemon zest, lemon juice, and ¼ cup of flour, mixing thoroughly.
  3. Pour the filling over the cooked crust and bake for another 20-25 minutes, until set.
Glazing
  1. For the glaze, mix the powdered sugar with lemon juice until you reach the desired consistency.
  2. Once the bars have cooled, drizzle the glaze over the top.
  3. Cut them into squares and serve.

Notes

These bars are best served chilled or at room temperature. For an extra touch, sprinkle some additional lemon zest on top or add fresh berries as a garnish. Store in an airtight container in the refrigerator for up to a week, or freeze for about three months.

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