Custard

Heat two cups of milk; beat into it two eggs (whipped) and two

From 1910:

Heat two cups of milk; beat into it two eggs (whipped) and two tablespoonfuls of sugar, adding slowly and beating all the time.
When thoroughly blended, the mixture should receive the stiffened whites of two eggs.
Cook two minutes until it begins to thicken.
Cool and flavor with both lemon and vanilla.
It makes a delicious combination.