CC Antya 13.108

parama santoṣe prabhu karena bhojana
prabhura avaśiṣṭa-pātra bhaṭṭera bhakṣaṇa
Word for word: 
parama santoṣe — in great satisfaction; prabhu — Śrī Caitanya Mahāprabhu; karena bhojana — eats; prabhura — of Śrī Caitanya Mahāprabhu; avaśiṣṭa-pātra — the plate of remnants; bhaṭṭera — of Raghunātha Bhaṭṭa; bhakṣaṇa — the eatables.
Translation: 
Śrī Caitanya Mahāprabhu would accept with great satisfaction all the food he prepared. After the Lord was satisfied, Raghunātha Bhaṭṭa would eat His remnants.