01 -
Cream softened butter and granulated sugar in a large bowl using a hand mixer until light and fluffy. Incorporate vanilla extract. Gradually add all-purpose flour and salt, mixing until just combined.
02 -
Press two-thirds of the dough evenly into a parchment-lined 8-inch square baking pan, ensuring consistent thickness across the base.
03 -
Carefully spread raspberry jam over the cookie base, leaving a small border at the edges to prevent overflow during baking.
04 -
Combine all-purpose flour, granulated sugar, and cold diced butter in a bowl. Blend with a fork or pastry cutter until coarse crumbs form. Distribute crumble evenly over the jam layer, keeping topping loose and uncompressed.
05 -
Bake in a preheated 350°F (175°C) oven for 30 to 40 minutes until the crumble topping is golden brown and edges begin to pull away from the pan.
06 -
Allow to cool completely in the pan before cutting into bars. For enhanced presentation, dust with powdered sugar or serve with fresh raspberries if desired.
07 -
Store cooled cookies in an airtight container at room temperature for up to 3 days, or freeze in a single layer before transferring to a freezer bag for up to 2 months.