These classic thumbprint cookies feature a buttery, tender shortbread base with a sweet jam filling in the center. Perfect for holidays or any time you crave a delightful, fruity bite. Easy to make and a joy to share!
In a large bowl, cream together the softened butter and granulated sugar until light and fluffy, about 2-3 minutes.
Beat in the egg yolks one at a time, then stir in the vanilla extract.
In a separate bowl, whisk together the all-purpose flour and salt. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined and a soft dough forms.
Cover the dough with plastic wrap and chill in the refrigerator for at least 30 minutes, or until firm enough to handle.
Preheat your oven to 375°F (190°C). Line baking sheets with parchment paper.
Roll the chilled dough into 1-inch balls and place them about 2 inches apart on the prepared baking sheets.
Using your thumb or the back of a small spoon, make an indentation in the center of each cookie ball. Fill each indentation with about 0.5 teaspoon of raspberry jam.
Bake for 10-12 minutes, or until the edges are lightly golden. The jam will be bubbly.
Remove from the oven and let cool on the baking sheets for a few minutes before transferring to a wire rack to cool completely.
Once cooled, dust with powdered sugar if desired.
Notes
For best results, ensure your butter is truly softened but not melted. You can experiment with different jam flavors like apricot, strawberry, or grape. Store cookies in an airtight container at room temperature for up to 5 days.