Cooking instructions in precise form (7)
I believe the answer is:
recipes
'cooking instructions' is the definition.
(I've seen this before)
'precise form' is the wordplay.
'form' is an anagram indicator.
'precise' anagrammed gives 'RECIPES'.
'in' is the link.
(Other definitions for recipes that I've seen before include "formulae" , "Directions for the cook" , "Directions for making a dish" , "Pierces to find formulas" , "Instructions for making" .)