Line a 9inch square cake tin and heat the oven to 180°C. To make the shortbread combine the butter and the sugar until smooth. Add the flour and zest and slowly combine. Press the dough into the ...
Millionaire's shortbread is easy to make with condensed milk caramel and a buttery biscuit base. The clue to the richness of this recipe is in the name. Preheat the oven to 150C/300F/Gas 2.