What is a bavaroise?

1. A hot drink made from eggs, milk, and tea, sweetened and flavoured with a liqueur; seventeenth-century Bavarian.

2. Popular drink in 18th century Europe, milk mixed with syrup made from European maidenhair fern, A. capillus-veneris.

3. French; (crème bavarois) a cold dessert made from egg custard with gelatine and cream. 4. Hollandaise sauce with crayfish garnish.