01 -
Cover an 8x8-inch tray with parchment lining.
02 -
Over low-medium heat, warm up the sweetened condensed milk in a saucepan.
03 -
Blend the sugar cookie mix in with the heated milk until smooth.
04 -
Mix in the white chocolate chips, butter, and vanilla until all melts and smoothens.
05 -
Transfer to pan, sprinkle over the top, and leave for 4 hours to set at room temperature, or chill it to speed up.
06 -
Cut into bite-sized squares and serve at room temp.