4 potato zucchini tomato gratin Recipes

tomatoes (about 10), halved, cored, seeded, olive oil, divided , plus 2 tbsp, yukon gold potatoes, peeled, cut into 1/4-inch-thick rounds, zucchini, trimmed, cut diagonally into 1/4-inch-thick slices, fresh thyme leaves, grated parmesan cheese

potatoes, peeled sliced thinly, tomatoes, sliced thinly, zucchini, trimmed and sliced thinly, salt and black pepper, garlic cloves, peeled and diced, olive oil, breadcrumbs

red potatoes, peeled & thinly sliced, zucchini, peeled, sliced, roma tomatoes, sliced, grated parmesan cheese, fresh basil, chopped, olive oil, chicken stock or 1/3 cup vegetable stock