Lemon Crumb Bars
If you’re looking for a delightful dessert that brings sunshine to your table, these Lemon Crumb Bars are just the ticket! This recipe has been a beloved staple in my home for years, thanks to its perfect balance of sweetness and zest. The buttery crust combined with the tangy lemon filling is simply irresistible. Whether it’s a busy weeknight or a family gathering, these bars always bring smiles and satisfied taste buds.
What I love most about these Lemon Crumb Bars is how easy they are to whip up! They make for a fantastic treat to enjoy on your own or to share with friends. Plus, they look beautiful dusted with powdered sugar, making them the perfect dessert for any occasion!
Why You’ll Love This Recipe
- Quick and Easy: With just 15 minutes of prep time, you can have these bars ready to bake in no time!
- Family-Friendly: Everyone loves the bright lemon flavor—kids and adults alike will be reaching for seconds.
- Make-Ahead Option: These bars keep well in the fridge, making them perfect for preparing in advance.
- Versatile Treat: Whether it’s a picnic, potluck, or simply an afternoon snack, these bars fit right in.

Ingredients You’ll Need
You’ll find that making Lemon Crumb Bars requires simple, wholesome ingredients that you probably already have in your pantry. Let’s gather what we need!
For the Crust and Topping
- 1 1/2 cups all-purpose flour
- 1/2 cup granulated sugar
- 1/2 teaspoon baking powder
- 1/2 cup unsalted butter, melted
- 1/4 teaspoon salt
For the Lemon Filling
- 2 large eggs
- 1 cup granulated sugar
- 1/4 cup all-purpose flour
- 1/3 cup fresh lemon juice
- 1 tablespoon lemon zest
Variations
One of the best things about this recipe is its flexibility! Here are some fun variations to try:
- Add Some Berries: Toss in fresh blueberries or raspberries into the lemon filling for a fruity twist.
- Change Up the Zest: Experiment with lime or orange zest to create different citrus flavors.
- Nutty Crunch: Mix in some chopped nuts like almonds or pecans into the crumb topping for added texture.
- Gluten-Free Version: Substitute all-purpose flour with a gluten-free blend to accommodate dietary preferences.
How to Make Lemon Crumb Bars
Step 1: Preheat and Prepare the Crust
First things first—preheat your oven to 350°F (175°C). This step ensures that your crust bakes evenly. In a large bowl, mix together flour, granulated sugar, baking powder, melted butter, and salt until the mixture resembles crumbs. Remember to reserve 1/2 cup of this mixture for later; it will become our delicious topping!
Step 2: Bake the Base
Next, press the remaining crumb mixture into an 8×8-inch baking pan lined with parchment paper. This makes it easier to lift out your bars after baking. Bake it for about 12-15 minutes until it’s lightly golden—this creates a lovely foundation for our tangy lemon layer.
Step 3: Whisk Together the Filling
While your crust is baking, grab another bowl and whisk together eggs, granulated sugar, flour, fresh lemon juice, and lemon zest until everything is smooth. This step is crucial because it combines all those bright flavors into one luscious filling that will shine through once baked.
Step 4: Combine and Top
Once your crust has baked and cooled slightly, pour that lovely lemon mixture evenly over it. Don’t forget to sprinkle the reserved crumb mixture on top! This adds an appealing texture contrast between creamy filling and crunchy topping.
Step 5: Final Bake Time
Pop your pan back into the oven for another 20-25 minutes or until you see that filling is set and the top has turned golden brown. It’s so rewarding watching those bars come together!
Step 6: Chill and Serve
Let your Lemon Crumb Bars cool completely before transferring them to the refrigerator. Chilling them for at least an hour helps solidify those layers beautifully. Finally, slice them into squares and dust with powdered sugar just before serving. Enjoy every zesty bite!
Pro Tips for Making Lemon Crumb Bars
These lemon crumb bars are as delightful to make as they are to eat! Here are some helpful tips to ensure your bars turn out perfectly every time.
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Use fresh lemons: Fresh lemon juice and zest will provide the brightest flavor. Bottled lemon juice can taste flat and artificial, so opt for the real thing for that vibrant tang.
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Chill before cutting: Allowing the bars to cool completely and then chilling them in the refrigerator makes them easier to slice. This step helps them hold their shape and look beautiful when served.
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Adjust sweetness: If you prefer a sweeter treat, feel free to increase the sugar in the filling slightly. A little extra sweetness can balance out the tartness of the lemons, making for a more indulgent experience.
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Experiment with toppings: While powdered sugar is a classic choice, consider drizzling a simple glaze made from powdered sugar and lemon juice over the top for added flavor and presentation.
How to Serve Lemon Crumb Bars
Serving your lemon crumb bars beautifully can enhance their appeal at any gathering. Here are some creative ways to present this delightful treat.
Garnishes
- Powdered sugar: A light dusting of powdered sugar adds a touch of elegance and sweetness.
- Lemon slices: Thin slices of lemon placed on top or beside each bar create a visually appealing contrast and hint at the fresh flavors within.
- Fresh mint leaves: A small sprig of mint not only adds color but also brings a refreshing scent that complements the zesty lemon.
Side Dishes
- Light salad: A simple green salad with mixed greens, cherry tomatoes, and a citrus vinaigrette pairs nicely with the sweet-tart flavor of lemon bars, refreshing your palate.
- Herbed quinoa: Fluffy quinoa tossed with fresh herbs like parsley or cilantro provides a nutty contrast that balances out the sweetness of the bars.
- Yogurt parfait: Layered yogurt with granola and fresh berries offers a creamy texture that complements the crumbly bars beautifully, making it a great brunch option.
- Iced tea or lemonade: These beverages enhance the bright citrus notes while offering a refreshing drink alongside your dessert.
Now that you’re all set with tips and serving suggestions, it’s time to whip up these amazing lemon crumb bars! Enjoy sharing them with friends and family—though you might just want to keep them all to yourself!

Make Ahead and Storage
These lemon crumb bars are not only delicious but also perfect for meal prep! You can make them ahead of time and enjoy their delightful flavors throughout the week.
Storing Leftovers
- Store any leftover lemon crumb bars in an airtight container at room temperature for up to 2 days.
- For longer freshness, keep them in the refrigerator for up to a week.
- If you’re using powdered sugar for dusting, wait to sprinkle it on until you’re ready to serve.
Freezing
- Allow the lemon crumb bars to cool completely before freezing.
- Wrap individual squares tightly in plastic wrap or aluminum foil, then place them in a freezer-safe container.
- They can be frozen for up to 3 months. Just remember to label the container!
Reheating
- To enjoy your frozen lemon crumb bars, transfer them to the refrigerator and let them thaw overnight.
- If you prefer warm bars, place them in a preheated oven at 350°F (175°C) for about 10 minutes.
FAQs
Here are some frequently asked questions about making Lemon Crumb Bars!
Can I use bottled lemon juice for Lemon Crumb Bars?
While fresh lemon juice gives the best flavor, bottled lemon juice can be used as a substitute in a pinch. Just ensure it’s 100% pure lemon juice without additives.
How do I know when my Lemon Crumb Bars are done baking?
Your Lemon Crumb Bars are done when the filling is set and the top is lightly golden. A toothpick inserted into the center should come out clean or with just a few moist crumbs.
Can I make Lemon Crumb Bars gluten-free?
Absolutely! Substitute all-purpose flour with your favorite gluten-free flour blend, and ensure that other ingredients, such as baking powder, are gluten-free.
How long do Lemon Crumb Bars last in the fridge?
Lemon Crumb Bars can last in the refrigerator for up to a week when stored properly in an airtight container.
Final Thoughts
I hope you find joy in making these delightful Lemon Crumb Bars! Their sweet and tangy flavor is sure to brighten up any occasion. Whether you’re sharing them at a gathering or enjoying them at home, these treats are bound to bring smiles. Happy baking, and I can’t wait for you to try this recipe!
Lemon Crumb Bars
Brighten your dessert table with these delightful Lemon Crumb Bars, a perfect balance of sweetness and tanginess that will leave everyone wanting more. The buttery crust pairs beautifully with the zesty lemon filling, creating a treat that’s not only delicious but also visually appealing when dusted with powdered sugar. Ideal for family gatherings, picnics, or simply an afternoon snack, these bars are quick to prepare and easy to store. With their refreshing flavor and simple ingredients, they are sure to become a favorite in your home!
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: Approximately 9 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 1 1/2 cups all-purpose flour
- 1/2 cup granulated sugar
- 1/2 teaspoon baking powder
- 1/2 cup unsalted butter, melted
- 1/4 teaspoon salt
- 2 large eggs
- 1 cup granulated sugar (for filling)
- 1/4 cup all-purpose flour (for filling)
- 1/3 cup fresh lemon juice
- 1 tablespoon lemon zest
Instructions
- Preheat oven to 350°F (175°C). In a bowl, mix flour, sugar, baking powder, melted butter, and salt until crumbly. Reserve 1/2 cup for topping.
- Press remaining mixture into an 8×8-inch pan lined with parchment paper. Bake for 12-15 minutes until lightly golden.
- In another bowl, whisk together eggs, sugar, flour, lemon juice, and zest until smooth.
- Pour the lemon mixture over the baked crust and sprinkle with reserved crumbs on top.
- Bake for an additional 20-25 minutes until set and golden brown.
- Let cool completely before refrigerating for at least an hour. Slice and dust with powdered sugar before serving.
Nutrition
- Serving Size: 1 serving
- Calories: 200
- Sugar: 16g
- Sodium: 50mg
- Fat: 10g
- Saturated Fat: 6g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 0g
- Protein: 3g
- Cholesterol: 70mg