Some time ago on this blog, I sort of took issue with the "Common Table Prayer" commonly used by Lutherans, prayed in unison before a meal. Remember that I did not grow up in this tradition, and I considered it more of a rhyming sing-song children's prayer, favoring instead the prayer in the catechism with its use of the Psalm ("The eyes of all look to you, O Lord. . .") or a spontaneous personal prayer. How presumptuous I was in questioning a devotion hallowed by untold numbers of Christians for generations!
Since then I have come to appreciate and to use that prayer. Above all, it is a prayer that focuses upon Christ's presence–asking Him to come into our lives, into our vocations, into our family as everyone is seated around the table–and acknowledges Christ's gifts, that the food we are about to eat comes from His hand and that ordinary life is the sphere of His blessings.
Along those lines and to go even deeper into the Biblical dimensions of this little prayer, you have got to read the piece by Dr. David Loy in the latest Lutheran Witness. It deserves to become a classic. You need to read the whole thing, but this is the summary: