How should food be handled and wrapped for freezing?

In a word: tightly. That’s important for keeping out oxygen that can cause freezer burn, which results in dried out, poor quality food. Freezer bags are your best choice in most cases. For detailed tips on how to handle various types of foods you want to freeze (moist foods and liquids, pre-wrapped meat and poultry, fresh vegetables and fruits, bakery items, and dairy products), click here: http://shelflifeadvice.com/tips/how-wrap-foods-freezer. 

Some products like fatty fish benefit from being stored in water.

According to food scientist Dr. Joe Regenstein, aluminum foil is not good for freezing foods because it degenerates over time and allows air through.

Source(s):

Joe Regenstein, Ph.D. Cornell University, Dept. of Food Science

General Guidelines for Wrapping Foods

What’s better for wrapping food—plastic or aluminum foil?

What produce needs to be wrapped before refrigerating?

Should I wrap raw vegetables loosely or tightly before refrigerating?

How should fruits be wrapped before refrigeration?

Can I refrigerate meat and poultry in its store wrapping?

Using Plastic Wraps, Bags, and Containers

Are some plastic wraps more effective than others?

Can chemicals leach unto food from plastic wrap or containers?

Are any plastic wraps or containers really “microwave safe”?

Can I use plastic freezer bags to store produce in the fridge?

Do coated plastic bags really help produce last longer?

Using Aluminum Foil Properly

What are some advantages and disadvantages of aluminum foil?

Does exposure to aluminum cause Alzheimer’s disease?

Does aluminum foil give foods a metallic taste?

Why does foil sometimes darken, discolor, and leave black specks on food?

Will a foil cover help keep foods on the table hot or cold?

Is it safe to use aluminum foil in a microwave oven?