Raspberry Swirl Shortbread Cookies Recipe

Yield: 24-28 cookies
Prep Time: 35 minutes (plus 2 hours chilling)
Cook Time: 15-18 minutes per batch
Total Time: About 3.5 hours (mostly inactive chilling)
Difficulty: Medium
Intensity: Moderate Focus Required – This recipe requires patience and a light touch for the swirling technique, but the steps are straightforward.

Ingredients

For the Shortbread Dough:

1 cup (226g) high-quality unsalted butter, at room temperature
½ cup (60g) powdered sugar, sifted
¼ cup (50g) granulated sugar
1 teaspoon pure vanilla extract
½ teaspoon fine sea salt
2 ¼ cups (280g) all-purpose flour, plus more for dusting

For the Raspberry Swirl:

⅓ cup (about 100g) seedless raspberry jam or preserves
1 teaspoon fresh lemon juice
1 tablespoon cornstarch or all-purpose flour

For Finishing (Optional):

1 tablespoon coarse sparkling sugar
Additional powdered sugar for dusting

Equipment

Stand mixer fitted with paddle attachment or electric hand mixer
Medium saucepan or microwave-safe bowl
Rubber spatula
Plastic wrap
Rolling pin
Parchment paper
Baking sheets
Sharp knife, bench scraper, or cookie cutters (round or square)

Step-by-Step Instructions

Part 1: Create the Raspberry Swirl Filling

In a small saucepan, combine the raspberry jam and lemon juice over low heat. Warm gently for 3-4 minutes, stirring constantly, until the jam is fluid and loosened. Remove from heat and whisk in the cornstarch until completely smooth and no lumps remain. This step is crucial—the cornstarch stabilizes the jam, preventing it from bubbling out or burning during baking.
Transfer the mixture to a small bowl and let it cool completely to room temperature. You can speed this up by placing the bowl in the refrigerator for 15-20 minutes, stirring occasionally.

Baker’s Tip: For the most vibrant red swirl, use a high-quality seedless raspberry jam or preserves. You can also strain regular jam through a fine-mesh sieve to remove seeds.

Part 2: Make the Shortbread Dough

In the bowl of a stand mixer, beat the softened butter on medium speed for 1 minute until creamy and smooth.
Add the powdered sugar, granulated sugar, vanilla extract, and salt. Beat on low until incorporated, then increase speed to medium-high and beat for 2-3 full minutes. The mixture should be very light, fluffy, and almost white in color. Scrape down the bowl.
With the mixer on the lowest speed, gradually add the flour. Mix only until the flour is just absorbed and a soft dough begins to clump together. The moment it forms a shaggy mass, stop the mixer.
Turn the dough out onto a clean surface and gently knead it 2-3 times by hand just to bring it completely together into a smooth ball. Do not overwork it.

Part 3: Laminate & Create the Swirl

This is the key technique that creates the beautiful marbled effect.

Roll: Place the dough ball between two large sheets of parchment paper. Using a rolling pin, roll it out into a rough rectangle, about 10×12 inches and ¼-inch thick. Try to maintain even thickness.
Spread: Remove the top sheet of parchment. Using an offset spatula or the back of a spoon, spread the cooled raspberry mixture in a thin, even layer over the entire surface of the dough, leaving a ½-inch border along one of the long edges.
Roll (Again): Starting from the long edge opposite the clean border, use the bottom parchment to carefully, tightly, and slowly roll the dough into a log, jelly-roll style. The clean border will seal the log. Don’t worry if some jam seeps out the ends.
Chill: Wrap the log tightly in the parchment paper, then again in plastic wrap. Gently roll it on the counter to create a more uniform cylinder. Refrigerate for at least 2 hours, or preferably overnight. The dough must be firm to slice cleanly.

Part 4: Slice & Bake

Preheat your oven to 325°F (160°C). This lower temperature is essential for even baking and preventing the jam from scorching. Line baking sheets with parchment paper.
Remove the dough log from the refrigerator. If desired, unwrap and brush the outside very lightly with water, then roll it in coarse sparkling sugar for a sparkling, crunchy edge.
Using a sharp, thin-bladed knife, slice the log into ½-inch thick rounds. Wipe the knife clean between slices for neat edges. If the dough cracks, let it sit at room temperature for 5-7 minutes.
Place slices 1.5 inches apart on prepared sheets. They spread minimally.

Part 5: Bake to Perfectly Set

Bake for 15-18 minutes. The cookies are done when the edges are very lightly golden and the tops are completely set and dry to the touch. The jam swirl will look bubbly and darken slightly.
Let cookies cool on the baking sheet for 10 minutes—they are very fragile when hot. Then, transfer them to a wire rack to cool completely.

Storage & Shelf Life

Airtight at Room Temperature: Store in a single layer or with parchment between layers in an airtight container for up to 5 days. The shortbread texture improves over the first 24-48 hours.
Freezer (Dough Log): The wrapped log can be frozen for up to 3 months. Slice and bake directly from frozen, adding 2-3 minutes to baking time.
Freezer (Baked): Once completely cool, freeze baked cookies in an airtight container for up to 2 months. Thaw at room temperature.

The Last Cookie: There’s a particular quiet joy in reaching for the last Raspberry Swirl Shortbread. It’s the one with the most dramatic marbling, saved almost by accident. Enjoy it slowly. Notice how the buttery crumb melts against the bright, tart-sweet raspberry ribbon—a final, perfect bite that encapsulates the entire process: the careful spreading, the patient chill, the gentle slice. It’s a testament to the beauty of simple ingredients, thoughtfully combined.

Nutritional Information (Per Cookie, approximate)

Calories: ~135 kcal
Total Fat: 8g
- Saturated Fat: 5g
Cholesterol: 20mg
Sodium: 50mg
Total Carbohydrates: 16g
- Dietary Fiber: 0.5g
- Sugars: 8g (varies with jam used)
Protein: 1g

Note: Nutritional information is an estimate calculated using generic ingredient data. Values will vary based on specific brands and measurements.