These Lemon Crumb Bars are a delightful balance of sweet and tangy flavors, perfect for any occasion. They feature a buttery crust, a zesty lemon filling, and a crumbly topping that makes them irresistible. Whether you’re hosting a gathering, celebrating a special event, or simply indulging yourself, these bars are sure to impress with their fresh citrus taste and appealing texture.
Why You’ll Love This Recipe
- Easy to Make: With simple ingredients and straightforward steps, anyone can whip up these bars in no time.
- Versatile Dessert: Perfect for picnics, potlucks, or just as an everyday treat.
- Crowd-Pleaser: The combination of sweet and tart flavors appeals to both kids and adults alike.
- Make Ahead: These bars can be prepared in advance and stored in the refrigerator for an easy dessert option later.
- Customizable Toppings: Feel free to add powdered sugar or fresh berries on top for an extra touch.
Tools and Preparation
Before you get started, it’s important to have the right tools on hand. Having the necessary equipment will help ensure that your baking process goes smoothly.
Essential Tools and Equipment
- 8×8-inch baking pan
- Mixing bowls
- Whisk
- Measuring cups
- Parchment paper
Importance of Each Tool
- 8×8-inch baking pan: This size is ideal for creating perfectly portioned bars that bake evenly.
- Mixing bowls: Having multiple sizes allows for efficient mixing of dry and wet ingredients separately.
- Whisk: A good whisk ensures your batter is smooth and well combined without lumps.

Ingredients
These lemon crumb bars are the perfect balance of sweet and tangy, featuring a buttery crust, a zesty lemon filling, and a crumbly topping. A delightful treat for any occasion!
For the Crust
- 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 Filling
- 2 large eggs
- 1 cup granulated sugar
- 1/4 cup all-purpose flour
- 1/3 cup fresh lemon juice
- 1 tablespoon lemon zest
How to Make Lemon Crumb Bars
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). In a large bowl, mix together the following ingredients until crumbly:
* 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
Reserve 1/2 cup of this mixture for topping. Press the remaining mixture into the bottom of an 8×8-inch baking pan lined with parchment paper. Bake for about 12-15 minutes until lightly golden.
Step 2: Prepare the Lemon Filling
In another bowl, whisk together:
* 2 large eggs
* 1 cup granulated sugar
* 1/4 cup all-purpose flour
* 1/3 cup fresh lemon juice
* 1 tablespoon lemon zest
Continue whisking until smooth.
Step 3: Combine Layers
Pour the lemon mixture evenly over the baked crust. Sprinkle the reserved crumb mixture on top of the filling.
Step 4: Bake Again
Return to the oven and bake for an additional 20-25 minutes or until the filling is set and the top is lightly golden.
Step 5: Cool & Serve
Let the bars cool completely in the pan. Then chill in the refrigerator for at least one hour. Slice into squares and dust with powdered sugar before serving. Enjoy your delicious Lemon Crumb Bars!
How to Serve Lemon Crumb Bars
These lemon crumb bars are a delightful treat that can be served in various ways to enhance their flavor and presentation. Here are some creative serving suggestions to enjoy these delicious bars.
Pair with Fresh Berries
- Fresh strawberries, blueberries, or raspberries add a burst of color and flavor, complementing the tangy lemon filling perfectly.
Serve with Whipped Cream
- A dollop of whipped cream on top creates a creamy contrast to the zesty lemon bars, making each bite even more enjoyable.
Accompany with Tea or Coffee
- Enjoy these bars alongside a warm cup of tea or coffee. The comforting drinks balance the sweetness and zest of the dessert.
Drizzle with Honey or Agave
- A light drizzle of honey or agave syrup adds an extra layer of sweetness that pairs well with the tartness of the lemon.
Garnish with Mint Leaves
- Fresh mint leaves not only enhance the presentation but also provide a refreshing taste that complements the lemon flavor beautifully.
How to Perfect Lemon Crumb Bars
To achieve the best results with your lemon crumb bars, consider these helpful tips for perfecting your recipe.
- Use fresh lemons: Fresh lemon juice and zest offer vibrant flavors that bottled products cannot match.
- Chill before serving: Allowing the bars to chill in the refrigerator enhances their texture and makes them easier to cut into squares.
- Don’t skip the parchment paper: Lining your baking pan with parchment paper ensures easy removal and clean serving.
- Adjust sweetness if needed: Taste your filling mixture before baking; you can adjust sugar levels based on your preference.
- Let them cool completely: Cooling allows the filling to set properly for cleaner cuts when slicing into bars.
Best Side Dishes for Lemon Crumb Bars
These lemon crumb bars pair well with several side dishes that enhance their delightful flavors. Consider these options for a complete dessert experience.
- Vanilla Ice Cream: A scoop of vanilla ice cream adds creaminess and balances the tartness of the lemon.
- Fruit Salad: A mix of seasonal fruits provides freshness and complements the zesty notes of the bars.
- Chocolate Sauce: Drizzling chocolate sauce over each bar brings an indulgent twist that many people love.
- Coconut Whipped Cream: For a dairy-free option, coconut whipped cream adds a tropical flair that goes well with lemon.
- Yogurt Parfait: Layering yogurt with granola and berries creates a light dish that contrasts nicely with rich desserts.
- Lemon Sorbet: For those who love citrus, lemon sorbet offers a refreshing palate cleanser between bites.
Common Mistakes to Avoid
When making Lemon Crumb Bars, it’s essential to avoid common pitfalls that can affect the texture and flavor of your dessert.
- Not measuring ingredients correctly – Accurate measurement is crucial for baking. Use proper measuring cups and spoons to ensure the right ratios for a perfect balance of flavors.
- Skipping the chilling time – Allowing the bars to cool completely before slicing helps set the filling. Skipping this step can lead to messy squares that don’t hold their shape.
- Overbaking the crust – Watch your crust closely while it bakes. Overbaking can result in a hard base instead of a buttery, tender crust. Aim for a light golden color.
- Using bottled lemon juice – For the best flavor, always use fresh lemon juice and zest. Bottled juices lack the vibrant taste that makes these bars special.
- Not letting bars set properly – After baking, it’s important to chill the bars in the refrigerator for at least an hour. This allows the filling to firm up, making them easier to cut.
- Neglecting dusting with powdered sugar – A light dusting of powdered sugar enhances both presentation and flavor. Don’t skip this final touch before serving.

Storage & Reheating Instructions
Refrigerator Storage
- Store Lemon Crumb Bars in an airtight container.
- They will keep well in the refrigerator for up to one week.
Freezing Lemon Crumb Bars
- Wrap individual squares tightly in plastic wrap or foil.
- Place them in a freezer-safe container; they can be frozen for up to three months.
Reheating Lemon Crumb Bars
- Oven: Preheat your oven to 350°F (175°C). Place bars on a baking sheet and warm for about 10 minutes.
- Microwave: Heat individual squares on a microwave-safe plate for about 15-20 seconds until warm.
- Stovetop: Use a non-stick pan over low heat, warming each bar gently for a few minutes.
Frequently Asked Questions
Here are some frequently asked questions about making Lemon Crumb Bars:
Can I use other citrus fruits in Lemon Crumb Bars?
Yes! You can substitute lemon juice with lime or orange juice for different flavors while keeping the recipe intact.
How can I make Lemon Crumb Bars gluten-free?
To make these bars gluten-free, you can replace all-purpose flour with a gluten-free flour blend. Ensure all other ingredients are also gluten-free.
What should I do if my filling doesn’t set?
If your filling is not setting, it may need more time in the refrigerator. Ensure you followed the measurements correctly and allowed sufficient cooling time after baking.
Can I add toppings to my Lemon Crumb Bars?
Definitely! Consider adding fresh berries or whipped cream on top before serving for an extra layer of flavor and presentation.
Final Thoughts
These Lemon Crumb Bars are irresistibly sweet and tangy, perfect for any occasion. Their buttery crust complements the zesty filling beautifully. You can customize them further by experimenting with different citrus flavors or toppings. Try this recipe today and enjoy a delightful treat that everyone will love!

Lemon Crumb Bars
- Total Time: 55 minutes
- Yield: Makes approximately 16 servings 1x
Description
Indulge in the delightful balance of sweetness and tanginess with these irresistible Lemon Crumb Bars. Featuring a buttery crust, zesty lemon filling, and a crumbly topping, these bars are perfect for any occasion—be it a picnic, potluck, or just a sweet treat at home. With their fresh citrus taste and appealing texture, they are sure to impress both kids and adults alike. Easy to make and customizable with toppings like powdered sugar or fresh berries, these Lemon Crumb Bars are a crowd-pleaser that you can prepare ahead of time for effortless entertaining.
Ingredients
- 1 1/2 cups all-purpose flour
- 1 cup granulated sugar (divided)
- 1/2 teaspoon baking powder
- 1/2 cup unsalted butter (melted)
- 1/4 teaspoon salt
- 2 large eggs
- 1/4 cup all-purpose flour (for filling)
- 1/3 cup fresh lemon juice
- 1 tablespoon lemon zest
Instructions
- Preheat your oven to 350°F (175°C). In a bowl, mix together 1 1/2 cups flour, 1/2 cup sugar, baking powder, melted butter, and salt until crumbly. Reserve 1/2 cup for topping.
- Press the remaining mixture into the bottom of an 8×8-inch baking pan lined with parchment paper. Bake for about 12-15 minutes until golden.
- In another bowl, whisk together eggs, remaining sugar, flour, lemon juice, and zest until smooth.
- Pour the lemon mixture over the baked crust and sprinkle reserved crumbs on top.
- Bake for an additional 20-25 minutes until filling is set and top is golden. Cool completely before slicing.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 180
- Sugar: 14g
- Sodium: 100mg
- Fat: 9g
- Saturated Fat: 5g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 23g
- Fiber: <1g
- Protein: 2g
- Cholesterol: 35mg