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Blackberry Lavender Shortbread Bars

Shortbread is humble—until it isn’t. Infused with lavender and layered with a blackberry preserve that simmers with citrus and floral undertones, these bars transform the ordinary into something transportive. The texture is everything: tender, buttery crumble on the bottom, a jewel-toned blackberry-lavender layer in the center, and a delicate streusel crown. It’s dessert you can taste with your eyes first.

Ingredients

For the crust and crumble:

  • 1 cup unsalted butter cold and cubed
  • 2 ¼ cups all-purpose flour
  • ½ cup granulated sugar
  • ½ tsp salt
  • 1 tbsp dried culinary lavender
  • Zest of 1 lemon

For the blackberry filling:

  • 2 cups fresh blackberries
  • ¼ cup sugar adjust to taste
  • 1 tbsp lemon juice
  • 1 tsp lemon zest
  • 1 tsp cornstarch
  • ½ tsp vanilla extract

Instructions

Prepare the dough:

  • In a bowl, combine flour, sugar, salt, lemon zest, and lavender. Cut in the butter until the mixture is crumbly and holds when pressed. Reserve ¾ cup for topping.

Create the base:

  • Press the remaining dough into a parchment-lined 9x9 pan. Bake at 350°F (175°C) for 15 minutes, until lightly golden.

Make the filling:

  • In a saucepan, simmer blackberries with sugar, lemon juice, zest, and vanilla. Stir in cornstarch and cook until thickened and glossy—about 5–7 minutes. Cool slightly.

Assemble and bake:

  • Spread the blackberry filling over the warm base. Crumble the reserved dough on top. Return to oven for 25–30 minutes, until the top is golden and the filling bubbles at the edges.

Cool and slice:

  • Let the bars cool fully for clean cuts. Serve as-is or with a dusting of powdered sugar.

Notes

The lavender adds a soft, aromatic layer that plays beautifully with the brightness of the lemon and the intensity of the blackberries. The shortbread is rich and crumbly, melting into the fruit without overpowering it. It’s balanced. Botanical. Beautiful.