1 onion fry in vegetable oil, add the minced meat and tomato paste. Fry until cooked stuffing.
2. Squash grate, squeeze out excess moisture. Beat eggs with mayonnaise or sour cream.
3. baking dish greased with butter and put layers: roast beef, zucchini, pour the egg mixture and mayonnaise (sour cream), put the tomatoes, cut into rings and sprinkle with grated cheese.
4. Bake at 180 degrees for 30 minutes.