Moussaka Recipe with Aubergine (Eggplant)

My friend Emily's grandmother was Greek and taught her some great Greek dishes which she's shared with me over the years. She's actually partly responsible for my interest in herbs and spices. One of her best recipes is for Moussaka. I've updated some things, grilling the eggplant and using sun dried tomatoes instead of tomato paste, but otherwise it's pretty close to her grandmother's