Lemon Crumb Bars

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Update : March 7, 2026

Delicious homemade lemon crumb bars with a crumbly topping and lemon filling

Why make this recipe

Lemon Crumb Bars are a perfect treat for anyone who loves a bright and tangy dessert. These bars balance sweet and sour flavors beautifully, making them a hit for gatherings or a delightful snack at home. They are easy to make and bring a refreshing taste of lemon to your dessert table. Whether you serve them at a picnic or enjoy them with a cup of tea, their buttery crumb topping and zesty filling are sure to please your taste buds.

How to make Lemon Crumb Bars

Ingredients:

  • 1 cup all-purpose flour
  • 1/2 cup unsalted butter, softened
  • 1/4 cup granulated sugar
  • 1/2 teaspoon salt
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1/4 cup fresh lemon juice
  • 1 tablespoon lemon zest
  • 1/2 teaspoon baking powder
  • Powdered sugar for dusting

Directions:

  1. Preheat your oven to 350°F (175°C) and grease an 8×8 inch baking dish.
  2. In a bowl, mix the flour, softened butter, 1/4 cup sugar, and salt until crumbly. Press half of this mixture into the bottom of the prepared dish.
  3. In another bowl, whisk together the eggs, 1/2 cup sugar, lemon juice, lemon zest, and baking powder. Pour this mixture over the crust in the baking dish.
  4. Sprinkle the remaining crumb mixture on top of the lemon filling.
  5. Bake for 20-25 minutes until the top is golden and the filling is set.
  6. Allow to cool completely before dusting with powdered sugar and slicing into bars.

How to serve Lemon Crumb Bars

Lemon Crumb Bars are best served chilled or at room temperature. Dust them with powdered sugar right before serving for a beautiful presentation. You can cut them into squares or rectangles, depending on your preference. These bars pair well with a cup of tea or coffee, making them great for afternoon gatherings.

How to store Lemon Crumb Bars

To store Lemon Crumb Bars, place them in an airtight container. They can last in the refrigerator for up to a week. If you want to store them longer, you can freeze the bars. Just wrap them well in plastic wrap and place them in a freezer-safe container. They will stay fresh in the freezer for up to three months. When you’re ready to enjoy them again, thaw them in the refrigerator overnight.

Tips to make Lemon Crumb Bars

  1. Make sure the butter is at room temperature for easy mixing.
  2. Use fresh lemon juice and zest for the best flavor. Bottled lemon juice can taste different and less flavorful.
  3. Don’t skip the cooling step before dusting with powdered sugar; this helps the bars set properly and makes them easier to cut.

Variation

You can add a layer of fresh fruit like blueberries or raspberries on top of the lemon filling before adding the crumb mixture for an extra fruity twist. Another option is to add a teaspoon of vanilla extract to the egg mixture for a touch of added flavor.

FAQs

Can I use a different type of flour?
Yes, you can use whole wheat flour or gluten-free flour as a substitute. Just keep in mind this may change the texture.

Can I make these bars ahead of time?
Absolutely! They can be made a day or two in advance. Just store them properly in the fridge.

What if I don’t have fresh lemons?
If you don’t have fresh lemons, you can use bottled lemon juice, but fresh is recommended for the best taste.

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Lemon Crumb Bars


  • Author: jena
  • Total Time: 40 minutes
  • Yield: 16 servings 1x
  • Diet: Vegetarian

Description

Bright and tangy Lemon Crumb Bars with a buttery crumb topping and zesty filling, perfect for gatherings or as a delightful snack.


Ingredients

Scale
  • 1 cup all-purpose flour
  • 1/2 cup unsalted butter, softened
  • 1/4 cup granulated sugar
  • 1/2 teaspoon salt
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1/4 cup fresh lemon juice
  • 1 tablespoon lemon zest
  • 1/2 teaspoon baking powder
  • Powdered sugar for dusting

Instructions

  1. Preheat your oven to 350°F (175°C) and grease an 8×8 inch baking dish.
  2. Mix the flour, softened butter, 1/4 cup sugar, and salt in a bowl until crumbly.
  3. Press half of this mixture into the bottom of the prepared dish.
  4. Whisk together the eggs, 1/2 cup sugar, lemon juice, lemon zest, and baking powder in another bowl.
  5. Pour this mixture over the crust in the baking dish.
  6. Sprinkle the remaining crumb mixture on top of the lemon filling.
  7. Bake for 20-25 minutes until the top is golden and the filling is set.
  8. Allow to cool completely before dusting with powdered sugar and slicing into bars.

Notes

These bars are best served chilled or at room temperature. Store in an airtight container in the fridge for up to a week, or freeze for up to three months.

  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 220
  • Sugar: 12g
  • Sodium: 200mg
  • Fat: 10g
  • Saturated Fat: 6g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 29g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 40mg

Keywords: lemon bars, dessert, tangy treat, sweet and sour, lemon dessert

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