These Lemon Cookie Bars are soft, chewy, and bursting with bright citrus flavor, topped with a smooth and creamy vanilla cream cheese frosting. The perfect easy dessert for lemon lovers who want something a little different from a traditional bar cookie.
Recipe Highlights
- Big lemon flavor: Fresh lemon zest, lemon juice, and lemon extract work together to give these bars a bright, bold citrus flavor in every bite.
- Soft and chewy texture: The cookie bar base bakes up tender and chewy with slightly crisp golden edges, making it hard to stop at just one.
- Simple ingredients: Everything in this recipe comes together with pantry staples and a handful of fresh lemons.
- Easy to make: The batter comes together quickly with a hand mixer, and the bars bake in just 30 minutes.
- Creamy frosting: A rich vanilla cream cheese frosting takes these bars to the next level and pairs perfectly with the tangy lemon base.
- Great for sharing: Cut into nine generous squares, these bars are ideal for potlucks, bake sales, or a simple weeknight dessert.
Ingredients in Lemon Cookie Bars
Cookie Bars
- Salted butter: Room temperature butter creates a rich, tender base for the cookie bars and adds a subtle salty balance to the sweetness.
- Granulated sugar: Sweetens the bars and helps create a slightly crisp edge with a soft, chewy center.
- Lemon extract: Intensifies the lemon flavor throughout the bars and gives each bite that bold citrus punch.
- Lemon zest: Fresh lemon zest adds bright, aromatic citrus flavor and is also used as a garnish over the finished frosting.
- Lemon juice: Adds a fresh, tangy citrus flavor that complements the sweetness of the bar.
- Egg: Binds the batter together and gives the bars structure and richness.
- All-purpose flour: Provides the structure for the cookie bar base.
- Baking powder: Helps the bars rise slightly and keeps them soft and fluffy rather than dense.
Cream Cheese Frosting
- Cream cheese: Room temperature cream cheese gives the frosting its signature tangy richness and smooth, creamy texture.
- Butter: Softened butter combines with cream cheese to create a fluffy, spreadable frosting.
- Powdered sugar: Sweetens the frosting and gives it a smooth, light consistency.
- Vanilla bean paste: Adds a rich, aromatic vanilla flavor and beautiful flecks of vanilla bean throughout the frosting.
Tips for the Best Lemon Cookie Bars
Full instructions for making the recipe are on the recipe card below, but here are a few helpful tips.
- Use room-temperature ingredients: Both the butter and the cream cheese should be fully at room temperature before mixing. This ensures a smooth batter and a lump-free frosting.
- Do not overmix the batter: Once the flour and baking powder are added, mix only until the batter is smooth and combined. Overmixing can make the bars tough.
- Line the pan with parchment paper: Greasing and lining the pan with parchment makes it easy to lift the bars out cleanly and cut them into even squares.
- Check the center before removing from the oven: The bars are done when the edges are golden and the center is set. If the center still jiggles, give them a few more minutes.
- Cool completely before frosting: Spreading frosting over warm bars will cause it to melt. Make sure the bars are completely cooled before adding the cream cheese frosting.
- Add extra lemon zest on top: A sprinkle of fresh lemon zest over the frosting adds color, aroma, and an extra pop of citrus flavor.
- Use a warm knife for clean cuts: Run a sharp knife under warm water and dry it before slicing for neat, clean edges on each bar.
Storage Instructions
Store the bars in an airtight container in the refrigerator for up to 3 days. Because of the cream cheese frosting, these bars need to be kept chilled. Let them sit at room temperature for a few minutes before serving if you prefer them slightly softened.
These bars also freeze well without the frosting. Freeze the unfrosted bars in an airtight container for up to 2 months, then thaw at room temperature and frost before serving.
FAQs
Can I use unsalted butter instead of salted butter?
Yes. If using unsalted butter, add a pinch of salt to the batter to balance the sweetness and enhance the overall flavor of the bars.
Can I use vanilla extract instead of vanilla bean paste?
Yes. Vanilla extract works perfectly as a substitute in the frosting. Use the same amount called for in the recipe.
How do I know when the bars are done baking?
The bars are finished baking when the edges are golden brown and the center is set and no longer jiggly. A toothpick inserted into the center should come out clean or with just a few moist crumbs.
Can I make these bars ahead of time?
Yes. The bars can be baked a day in advance. Store them unfrosted at room temperature, then add the cream cheese frosting the next day before serving.
Can I double the recipe?
Yes. Double all of the ingredients and bake in a 9×13-inch pan. The bake time may need to be adjusted slightly, so check for doneness around the 30-minute mark.
More lemon cookie recipes to try:
- Our recipe for Lemon Pudding Sugar Cookies create chewy treats bursting with citrusy flavor! The addition of a pudding mix sets them apart from traditional sugar cookies.
- These bright Lemon Sandwich Cookies are simply heavenly! The buttery cookie combined with the creamy lemon filing makes for perfectly sweet treats.
- Try this unique recipe for Lemon Meringue Pie Cookies. A shortbread cookie topped with lemon curd & toasted meringue, a twist on a classic!
- Another favorite recipe of ours is this Cake Mix Lemon Oreo Cookies. Using only a handful of ingredients, these cookies come together easily!
- For more great taste & texture, try these Lemon Raspberry Cookies. Made with lemon pudding mix & raspberries, these cookies do not disappoint!
These Lemon Cookie Bars are a simple, crowd-pleasing dessert that delivers big lemon flavor with minimal effort, with a buttery cookie base and creamy vanilla cream cheese frosting in every bite.
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