Pulse the biscuits in a food processor until they resemble fine breadcrumbs. Alternatively, pop them into a clean ... Combine the condensed milk, water and lemon zest in a small saucepan.

These buttery lemon shortbread biscuits are just joyous ... Prick the surface of each biscuit twice using a fork and pop the trays into the fridge for 30 minutes. Preheat the oven to 180C/160C ...