Add lemon juice to taste, plus sugar, a pinch of salt, and one grind of black pepper. Refrigerate. Shortbread: Place the butter and confectioner’s sugar in a standing mixer and beat until creamy.

That's not a classic aspect of a genuine butter shortbread, which is reason enough to put them last. I have nicer things to ...

Bake the shortbread for 30 minutes or until very light golden brown. Set aside to cool. Meanwhile, for the topping, heat the butter, condensed milk and golden syrup in a saucepan, stirring ...