Fry the minced meat with onions and deglaze with the peeled tomatoes and let simmer briefly. Then season with salt and pepper. Cut the zucchini into approx. 1 cm thick slices.
Brush a casserole dish with margarine and then layer: minced meat sauce, lasagne platters, zucchini, hollandaise (in piles), etc. Finish with hollandaise. Then bake for about 1 hour at 180 ° C.