Thinly slice eggplant into rounds and lay on a paper towel, salt lightly. Lay another paper towel on top and layer with eggplant slices and salt lightly. Continue this layering method until all eggplant is used.
Place a heavy pan on a cookie sheet on top of stack and leave to sit for half an hour to two hours.
Defrost spinach and drain as much water out as possible
Mix cottage cheese and defrosted spinach together in a large bowl and add salt and pepper
Using a casserole dish, spread a layer of sauce and then place a lasagna sheet on top
Place a layer of spinach/cottage cheese mix, sauce, eggplant slices and then a sheet. Repeat this process until the dish is full then place in the oven.
Place sauce and thinly sliced tomatoes on the last layer and then sprinkle mozzarella cheese heavily on top.
Bake in the oven for 45-60 minutes at 180 degrees C.
This recipe was edited by Allrecipes.com.au staff to include measures and ingredients more familiar to Australian and New Zealand home cooks.