What is the best way to store leftovers in the refrigerator?
What are 3 tips with regards to storing leftovers?
Always use a clean container to hold the leftovers, or wrap the leftovers in leak-proof plastic bags to prevent cross-contamination. ... 

Eat refrigerated leftovers within 2 to 3 days, or freeze them for later use.
Date leftovers to help identify the contents and to ensure they are not stored too long.