Brown onions and meat lightly in butter, stirring constantly. Add tomatoes,
salt and pepper. Cook covered for about 15 minutes. Remove from heat.
Add parsley, egg, 1/4 cup cheese and bread crumbs.
On the 'top' of each aubergine, peel an inch strip from one end to the other
and make an incision along strip to within an inch of each end. Place in
baking dish and bake in moderate oven (about 350F) until soft and light brown
(about 30-45 minutes). Insert knife blade into incision and stuff with
meat mixture.
Prepare bechamel sauce. Pour about a tablespoon on top of each aubergine. Sprinkle with additional grated
cheese and dot with butter. If desired, add tomato sauce to the pan. Bake
in a moderate oven for about 35 minutes.
Source - http://www.nmt.edu/~shipman/food/recipe/greek