Answer: Clean, Separate, Cook, and Chill
Explanation:
Clean : This is to provide sanitation and destroy harmful bacteria that may be on the surface of food or your hands before you cook.
Separate: avoid cross contamination by keeping foods separate when possible. example: do not put fresh clean apples on the table with raw meat.
Cook: use the proper temperature to insure that food is fully cooked and thus safe to eat
Chill: Use proper food storage to prevent/slow bacterial growth
Source:
Food Safety the U.S.A. Official website on food safety