Easter Eggs?

Howstuffworks "How Easter Works":
"Easter Eggs

According to the book Festivals and Celebrations, eggs were dyed in ancient times by the Egyptians and Persians, who then exchanged them with friends. 'It was in Mesopotamia that Christians first gave eggs to their friends at Easter to remind them of the resurrection of Jesus,' author Rowland Purton writes.
If Lent is observed as it was intended to be, eggs are a forbidden food (this is why eggs were used on Shrove Tuesday). Centuries ago, when Lent ended on Easter Sunday, it became tradition for people to give decorated eggs as presents to their friends and servants. Over time, the tradition of painting or decorating eggs has continued, particularly with the Ukrainians and other eastern Europeans known for their beautiful and intricate designs. "