Ingredients for 4 servings:
700gr aubergines
50gr diced Parma ham
500gr peeled tomatoes
1 sliced small onion
butter, olive oil
grated parmesan cheese
Salt and pepper

Preparation:
Slice aubergines in long, boil in abundant hot water, add salt. Drain and dry in oven, using medium heat.

In the meanwhile, sear onion, 2tbs oil, 30gr butter, ham and tomatoes.
Add salt, pepper and cook for 15minutes.

When sauce is ready, grease a pan and arrange aubergines, cover with sauce and sprinkle with parmesan cheese.

Add alternate layers till end of ingredients, garnish with grated parmesan cheese and small butter pieces.

Bake in 230°C oven for 20 minutes.