Start by preheating your oven to 350°F (175°C).
In a large bowl, mix the all-purpose flour, kosher salt, and granulated sugar.
Cut the cold unsalted butter into the flour mixture until it resembles coarse crumbs.
Add in the vanilla and almond extracts, mixing just until combined.
Set aside half of the mixture for the crumble topping.
Press the remainder of the dough into the bottom of a greased baking dish.
Spread the raspberry jam evenly over the dough.
Crumble the remaining dough on top of the jam filling.
Bake for 25–30 minutes or until golden brown.
Let them cool before cutting into squares or cookies.