For Christians, the lamb is more a representation of Jesus sacrificing himself and dying on the cross – Jesus being “the lamb of God”. It's most likely that Christians eat lamb at Easter to remember this sacrifice. The sacrificial lamb is mentioned in the Old Testament, when God asks Abraham to sacrifice his son.

Why do we eat lamb in the spring?

Sheep are naturally tuned to giving birth in early spring, once the frosty winter has passed and spring's fresh grass is growing. This gives newborn lambs the best chance of survival and helps get them off to a healthy start. ... In terms of what we buy and eat, 'lamb' refers to any sheep under a year old.

What meat is traditionally eaten on Easter Sunday?

Roast lamb

Often served on Easter Sunday, Lamb is referenced in quite a few Christian stories and has become linked with Easter due to the reference of Jesus being the sacrificial Lamb of God. This tasty meat is also associated with spring-time thanks to lots of lambs being born in the spring.