Rearrange the parts to make a meaningful sentence.

P. a pinch of salt to

Q. serving it to the guests

R. the cook added

S. the dal before

Explanation

1. 01

   R has the subject and the verb. Added what? P "a pinch of salt to", and "to" needs a noun: S "the dal before".

2. 02

   "Before" is followed by an -ing word here: Q "serving it to the guests".

3. 03

   So the order is RPSQ: "The cook added a pinch of salt to the dal before serving it to the guests."