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15-Minute Lemon Cardamom Shortbread Cookies – Buttery, Citrusy & Warmly Spiced

Stephanie
September 19, 2026
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Melt-in-your-mouth, rich, and fragrant, Lemon Cardamom Shortbread Cookies blend the bright, zesty tang of fresh lemons with the warm, herbal-citrus notes of green cardamom. Wrapped in a delicate eggless butter dough, these crisp cookies offer an elevated twist on traditional shortbread that feels instantly high-end.

The secret to achieving that tender, crumbly shortbread texture without waiting for dough to chill in the fridge for hours is Pressing the Softened Butter and Cornstarch Dough Directly into a Square Pan or Rolling and Slicing Immediately Before Baking. Cornstarch weakens gluten formation, guaranteeing a delicate melt-in-your-mouth bite every single time.

Why You’ll Love This Quick Shortbread

  • No Chill Time: Go straight from mixing bowl to oven in under 5 minutes.
  • Eggless & Pantry-Friendly: Made with basic baking staples elevated by fresh citrus and spice.
  • Melt-in-Your-Mouth Texture: Cornstarch and powdered sugar give these cookies a delicate, crumbly bite.
  • Warm Citrus Aroma: Lemon oil and freshly ground cardamom perfume the entire kitchen as they bake.

Ingredients You’ll Need

  • The Butter Base: ½ cup (1 stick) unsalted butter (softened at room temperature), ⅓ cup powdered sugar, and 1 teaspoon vanilla extract.
  • Flavors & Aromatics: 1 tablespoon freshly grated lemon zest, 1 tablespoon fresh lemon juice, and ½ teaspoon ground green cardamom.
  • Dry Base: 1 cup all-purpose flour, 2 tablespoons cornstarch, and ¼ teaspoon fine sea salt.
  • Optional Glaze: ½ cup powdered sugar mixed with 1 tablespoon lemon juice for drizzling.

Step-by-Step Instructions

1.Rub Lemon Zest into Sugar & Beat Butter:2 mins.

Preheat oven to 350°F (175°C) and line an 8-inch square pan or baking sheet with parchment paper. Rub lemon zest into ⅓ cup powdered sugar with your fingertips until fragrant. Beat softened butter and lemon-infused sugar together for 2 minutes until smooth and fluffy.

2.Add Liquids & Fold Dry Ingredients:2 mins.

Stir in vanilla extract, lemon juice, and ground cardamom. Sift in all-purpose flour, cornstarch, and fine sea salt. Mix on low speed until a soft, pliable shortbread dough forms.

3.Press & Score in Pan:2 mins.

Press the dough evenly into the bottom of your prepared pan using your hands or the back of a measuring cup. Use a fork to prick the dough all over, and score gently into 16 rectangular fingers using a sharp knife.

4.Bake & Slice:10-12 mins.

Bake at 350°F (175°C) for 10 to 12 minutes until the edges are very lightly golden. Remove from the oven, slice through the scored lines immediately while warm, and let cool completely in the pan to firm up.

Tips from the Kitchen

  • Powdered Sugar over Granulated: Using powdered sugar instead of granulated sugar ensures a smoother, less grainy texture that dissolves instantly on the tongue.
  • Score While Warm: Slice the shortbread along your score marks as soon as it comes out of the oven. If you wait until it cools completely, the crisp shortbread will shatter.
  • Use Freshly Ground Cardamom: For the most vibrant flavor, crush green cardamom pods and grind the seeds fresh using a mortar and pestle.

Quick Recipe Card

  • Prep: 5 mins | Bake: 12 mins | Yield: 16 Cookie Fingers

Ingredients:

  • ½ cup Softened Unsalted Butter & ⅓ cup Powdered Sugar
  • 1 tbsp Lemon Zest, 1 tbsp Lemon Juice & ½ tsp Ground Cardamom
  • 1 tsp Vanilla Extract
  • 1 cup Flour, 2 tbsp Cornstarch & ¼ tsp Sea Salt

Instructions:

Preheat oven to 350°F (175°C). Beat butter, powdered sugar, and lemon zest until pale. Stir in lemon juice, vanilla, and cardamom. Fold in flour, cornstarch, and salt until dough forms. Press evenly into an 8-inch pan, prick with a fork, and score into fingers. Bake for 10–12 mins until pale golden. Re-slice along score lines while warm and cool completely!

Written By

Stephanie

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