Bacon slice (5)
'bacon slice' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for rasher that I've seen before include "breakfast selection?" , "eat this?" , "Rather foolhardy" , "American fish" , "A tasty slice of bacon" .)
(Other definitions for strip that I've seen before include "Plunder" , "Series of cartoons" , "Remove clothing" , "Undress - maybe comic!" , "Peel; long narrow piece" .)