1 - Mix the self-rising flour, sugar, speculaas spice mix and salt.

2 - Add the butter and milk and knead into a firm ball of dough.

3 - Start with 6 tablespoons of milk, if the dough is too stiff you can add more milk.

4 - Wrap the dough in plastic wrap and refrigerate overnight.

5 - You can process and bake it immediately, but the flavor will be much better if you let it rest.