D&C 20:77,79

 77 O God, the Eternal Father, we ask thee in the name of thy Son, Jesus Christ, to bless and sanctify this ^abread to the souls of all those who partake of it, that they may eat in remembrance of the body of thy Son, and ^bwitness unto thee, O God, the Eternal Father, that they are willing to take upon them the name of thy Son, and always remember him and keep his ^ccommandmentswhich he has given them; that they may always have his ^dSpirit to be with them. Amen.

79 O God, the Eternal Father, we ask thee in the name of thy Son, Jesus Christ, to bless and sanctify this ^awine to the souls of all those who drink of it, that they may do it in remembrance of the blood of thy Son, which was shed for them; that they may witness unto thee, O God, the Eternal Father, that they do always remember him, that they may have his Spirit to be with them. Amen.