Use/Effect:
Causes the drinker to sing uncontrollably

Ingredients:
water (500 mL)
2 acorns (meat only, crushed)
billywig wings (a pinch)
scurvy-grass (1 dram)

Instructions:
boil water
add ingredients & stir constantly for 5 minutes
remove from flame & stir once a minute for 5 minutes
allow to cool before pouring into vials or ingestion