Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 43
Sanskrit:
दत्त्वाचमनमुच्छेषं विष्वक्सेनाय कल्पयेत् ।मुखवासं सुरभिमत् ताम्बूलाद्यमथार्हयेत् ॥ ४३ ॥
ITRANS:
dattvācamanam uccheṣaṁviṣvaksenāya kalpayetmukha-vāsaṁ surabhimattāmbūlādyam athārhayet
Translation:
Once again he should offer the Deity water for washing His mouth, and he should give the remnants of the Lord’s food to Viṣvaksena. Then he should present the Deity with fragrant perfume for the mouth and prepared betel nut.