Vaishnava Dharmashastra 73.22

73.22

atra pitaro mādayadhvaṃ yathābhāgam iti darbhamūle karāvagharṣaṇam ||

With the Mantra, 'Enjoy it, O ye manes, partake of it, (each according to his share,' let him wipe off the grease from his hands with the ends of the blades.
23, With the Mantra, '(Ye waters) imparting vigour,' let him sprinkle the balls to the right with the wet (remainder of the food), and offer the Argha, flowers, incense, unguents, and rice, and other victuals and dainties to the Brâhmanas.