After the dinner meal, everyone searches for the Afikomen. The Afikomen is the middle matzah that we break in the beginning of the sedar, and Tzfun is when you actually eat the afikomen. You are not supposed to eat any more after you have your piece of Tzfun.  So we bench after the Tzfun is eaten.

Alex & Michael Hazan-Cohen


haggadah Section: Tzafun