Make
the shortbread by creaming together the butter and sugar for a couple
minutes until combined. Add the vanilla extract and salt, and mix in.
Add the flour and mix until distributed. The dough is going to look
extremely crumbly. You should still be able to press it into an 8×8 pan.
Refrigerate for 30 minutes.
Preheat oven to 350 degrees F.
Combine
all almond syrup ingredients in a saucepan, and bring to a full boil
over medium high heat. Let it cook for 2 minutes, then remove from the
heat.
bake for 20 minutes.
Let it cool in the pan,
Pour
the almond topping on top of the shortbread