CC Madhya 4.120

ayācita kṣīra prasāda alpa yadi pāi
svāda jāni’ taiche kṣīra gopāle lāgāi
Word for word: 
ayācita — without asking; kṣīra — sweet rice; prasāda — remnants of food; alpa — a little; yadi — if; pāi — I get; svāda — the taste; jāni’ — knowing; taiche — similar; kṣīra — sweet rice; gopāle — to my Gopāla; lāgāi — I can offer.
Translation: 
“If, without my asking, a little sweet rice is given to me, I can then taste it and make a similar preparation to offer my Lord Gopāla.”