Because of the added layers, portioning millionaire's shortbread is more complicated and you'll generally see it as squares, while classic shortbread can be rectangular, triangular, or even molded ...

Cut into squares and serve. The beauty of millionaire's shortbread is that it can be adapted to suit your taste. Like thicker shortbread and caramel layers? Make it in a 20cm/8in square tin and ...

I was recipe testing some millionaire’s shortbread and found ... providing me with some nutty inspiration for these peanut butter squares. Line a 20cm/8in square tin with baking parchment ...