You find Beetz up in the mountains near Kakariko Village, hoping to make some crepes.
Quest Location
You will find Beetz in the hills southeast of Kakariko Village, north of the east side of Lake Siela, at 2165, -1382, 0108.
Find Honey
You need to give Beetz three Courser Bee Honey to proceed. Note that if you complete the quest The Hornist's Dramatic Escape, you will get three Courser Bee Honey as a reward.
Talk to Beetz when you have the honey.
Quest Reward
Beetz gives you a Silver Rupee, worth 100 rupees.