Beat butter and sugars.
Add egg and vanilla.
add dry ingredients to form dough.
Carefully mix in the chopped candies.
Weigh cookies into 80g mounds and garnish with some more candies on top.
No chilling is needed.
Bake at 375 for 10-12 mins.
Cool on sheet.
Pipe on milk chocolate first, let set. Pipe on white chocolate and gently place a halved Kinder on top.