Every seder I've ever been to has used ground horseradish for maror, and "dipping" it in the charoset ends up being implemented as putting both maror and charoset on a piece of matzah and eating that. ...
At the seder, by Korech (the sandwich) we state So did Hillel do. When the Temple was standing he would bind [meat from the} Pesach [offering] Matzah and Marror and eat them as one. As the verse ...
As far as I know mitzvot such as eating marror or saying hallel at the Pesach seder are only rabbinic (the marror was biblical previously but I am told that is no longer so). If this is the case and ...