Beetroot salad and egg dye for Greek Easter (Μπατζάρια βραστά και φυσική βαφή για τα Πασχαλινά αυγά)

There is no Greek Easter without the hard-boiled red eggs that all Greek housewives will be dyeing on Megali Pempti (Holy Thursday) just before Easter. The supermarkets are full of non-toxic dyes in sachets, in all ranges of colours, although the traditional colour is red, symbolising Christ's blood. It's said that some women who were going to the market to sell their eggs passed by Jesus on the