This recipe is for Millionaires’ Shortbread cups  with a little twist for trick or treating. Enjoy!  Shortbread Crust 1cup flour (130g) 1/3 cup icing sugar (40g) 1/2 teaspoon sea salt (3g) 1/2 cup unsalted butter, softened (120g) Caramel Layer 1 can of condensed milk (300ml) 3/4 cup unsalted butter (180g)...