Hard skin on bacon (4)
I believe the answer is:
rind
(Other definitions for rind that I've seen before include "Outer layer (of cheese)" , "'Peel, bark (4)'" , "Zest" , "Fruit covering" , "outside" .)
I believe the answer is:
rind
(Other definitions for rind that I've seen before include "Outer layer (of cheese)" , "'Peel, bark (4)'" , "Zest" , "Fruit covering" , "outside" .)