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Delicious lemon crumb bars with a buttery crumb topping and bright lemon filling

Lemon Crumb Bars

These bright, tart lemon crumb bars feature a buttery crust and a glossy lemon filling that's perfect for any occasion.
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 9 squares
Course: Dessert, Snack
Cuisine: American
Calories: 200
Ingredients Method Notes

Ingredients
  

For the crust
  • 1 cup all-purpose flour Builds the structure for the crust.
  • 1/2 cup powdered sugar Adds sweetness to the crust.
  • 1/4 cup unsalted butter, softened Provides flavor and texture.
For the filling
  • 1 cup granulated sugar Sweetens the lemon filling.
  • 2 large eggs Stabilizes and sets the filling.
  • 1/2 cup fresh lemon juice Provides tartness.
  • 1 unit zest of 1 lemon Enhances flavor with aromatic oils.
  • 1/2 teaspoon baking powder Helps the filling rise.
  • 1/4 teaspoon salt Balances sweetness.

Method
 

Preparation
  1. Preheat the oven to 350°F (175°C). Grease an 8×8 inch baking dish, or line it with parchment.
  2. In a bowl, combine the flour and powdered sugar. Cut in the softened butter until crumbly. Press the mixture into the prepared dish.
  3. In another bowl, whisk the granulated sugar, eggs, lemon juice, lemon zest, baking powder, and salt until smooth. Pour this filling over the crust.
Baking
  1. Bake for 20–25 minutes, until the center is set and edges are golden. Cool completely in the pan.
  2. Chill for 30-60 minutes for clean slices. Dust with powdered sugar before serving.

Notes

For best results, use room temperature ingredients. Can be stored in an airtight container in the fridge for up to 5 days or frozen for up to 3 months. For variations, consider adding blueberries or using Meyer lemons.