01 -
Combine raspberry jam, cornstarch, and lemon juice in a small saucepan. Heat over medium, stirring constantly until thickened, about 3–5 minutes. Transfer to a bowl and cool completely.
02 -
In a large mixing bowl, beat softened butter and granulated sugar with an electric mixer until light and fluffy. Blend in vanilla extract.
03 -
Gradually add all-purpose flour and salt to the butter mixture. Mix on low speed until the dough just comes together.
04 -
Divide dough in half. Roll each portion between sheets of parchment paper into a 20 x 15 cm rectangle. Evenly spread cooled raspberry filling over the surface.
05 -
Starting from the long edge, tightly roll each rectangle into a log using the parchment paper for support. Wrap logs in plastic wrap.
06 -
Refrigerate the wrapped logs for at least 1 hour, or until firm enough to slice.
07 -
Preheat oven to 175°C. Line baking sheets with parchment paper.
08 -
Using a sharp knife, cut chilled logs into 6 mm thick rounds. Arrange cookies on prepared baking sheets, spacing them apart.
09 -
Bake for 12–15 minutes or until edges are lightly golden. Cool on trays before transferring to a rack.