At least, I think that’s what it says?
From a box sold in East Moline, Illinois.
1 c. butter
1/2 c. brown sugar
1 egg yolk
2 c. flour
Combine in order given. Roll in balls size of large marble.
Press down with fork dipped in milk. Place 1/2 pecan on top. Bake in 325 deg. oven until lightly browned.