01 -
Cover an 8-inch square tin with parchment paper.
02 -
In a saucepan, mix together condensed milk, lemon extract, and food color if you want to use it.
03 -
Stir in the chopped white chocolate and keep it on medium-low heat. Stir until completely melted and creamy.
04 -
Mix in lemon zest, taste, and decide if you'd like more lemon flavor by adding more extract.
05 -
Transfer mixture to the prepared tin, scatter sprinkles over the top if using. Tap to level and let it chill for 4 hours or overnight.
06 -
When completely firm, slice it into pieces.