Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 29
Sanskrit:
दध्योदनं समानीतं शिलायां सलिलान्तिके ।सम्भोजनीयैर्बुभुजे गोपै: सङ्कर्षणान्वित: ॥ २९ ॥
ITRANS:
dadhy-odanaṁ samānītaṁśilāyāṁ salilāntikesambhojanīyair bubhujegopaiḥ saṅkarṣaṇānvitaḥ
Translation:
Lord Kṛṣṇa would take His meal of boiled rice and yogurt, sent from home, in the company of Lord Saṅkarṣaṇa and the cowherd boys who regularly ate with Him. They would all sit down to eat on a large stone near the water.