Paska. Paska is an Easter bread eaten in Eastern European countries including Ukraine, Romania, Poland, Slovakia, and parts of Bulgaria. It is also eaten in other countries with immigrant populations from Eastern Europe, including the US, Canada and the UK.aska is made with milk, butter, eggs, flour and sugar locally having an inside made with different ingredients. An egg and water mixture is used as a glaze. The Christian faithful in many Eastern Christian countries eat this bread during Easter.