For the tomato pie, brush the baking tray with oil, roll out the dough, place it on the baking tray and pull up the edge of the dough a little.
Prick the bottom with a fork. Drain the tomato slices on kitchen roll.
Set aside a quarter of the cheese.
Mix all the remaining ingredients, season with salt and pepper.
Mix the grated walnuts with the breadcrumbs and sprinkle on the pastry base. Top with the tomato slices, pour over the remaining ingredients and sprinkle with the cheese set aside.
Bake the tomato cake on the middle shelf at 225 degrees Celsius for about 30 min.