Blessing over the bread
Why We Cover the Bread During HaMotzi
This article from Chabad.org provides biblical, Talmudic and halachic reasons for the custom of covering the challah before and during the HaMotzi blessing. In
Why We ‘Scratch’ the Challah before Bircat HaMotzi
This article from Chabad.org discusses the halachic (legal) and Kabbalistic (mystical) explanations for ‘scratching’ the Challah before the blessing over the bread on