Freezers Make It Fresh
A freezer's a freezer, right? Any one will do for freezing ingredients you'll be cooking with in a couple of weeks? Not really. Speed counts when freezing food, so a colder freezer is going to make your starting ingredients taste better.
For the most fresh-tasting frozen foods, you want a freezer that can easily reach and maintain 0 F (-18 C) -- and preferably even colder. Any warmer than that, and quality is going to degrade. For each 5 degree increase in temperature, in fact, that degradation is going to happen twice as fast [source: Willenberg].
If you store your food in a powerful freezer and make sure you wrap it up right, it'll taste pretty much like it did before you froze it. It'll be just as nutritious, too.
Another freezer-related issue to keep in mind: Seasonings don't keep. It's best to add things like salt, pepper and garlic powder after the food defrosts, right before you eat.