Combine butter, pudding mix and milk. Bring to boiling and
simmer 2 minutes, stirring constantly.
Remove from heat. Add sugar and vanilla; stir until smooth.
When cool enough to handle, shape into eggs and place on
wax paper-lined tray. Chill until firm.
Melt chocolate, Dip cooled eggs. Place on wax paper. Let
stand until coating hardens. Makes 2 1/2 lb of filling
Source: newsletter 3-86