second l ayer of leeks and top with more egg. Continue layering in the leeks and eggs i n this manner until all are spread in the pan. Spread the last 4 sheets of phy llo carefully over the top layer, brushing each one with butter. Pour any rema ining butter over the top. Score the phyllo with a sharp knife into serving-si ze pieces. Bake in a preheated 350 degree oven for about 30 minutes.