NO. This practice can make it go stale. While warming, crystalline regions form which absorb the moisture and cause it to dry out. Smaller pieces are best defrosted for 20 seconds in the microwave. Uncovered on high power. This helps break down the crystals and adds a little steam for softer bread. 

Larger chunks of bread and loaves are better reheated in the oven at 325°F for ~20 minutes.  Tightly wrap with aluminum foil for best results.  Of course, this is bread we are talking about, so nothing is going to make frozen pieces taste perfect. However, doing it the right way will save you from the heartache and frustration of biting into a brick.

– Question Corner Crew

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