Tian of Summer Vegetables Provençal

Name: Tian of Summer Vegetables Provençal
Ingredients: Olive oil for sautéing and frying; 2 medium leeks, roots and dark green leaves cut off, white and light green parts thinly sliced, washed well, and patted dry; 3 garlic cloves, finely chopped; Kosher salt and freshly ground black pepper; About 5 tablespoons all-purpose flour; 1 medium eggplant, peeled and cut into 1/8- to ¼-inch-thick slices, salted, if necessary (see Note); 2 to 3 medium tomatoes, stemmed, cored, and thinly sliced; 1 medium yellow squash, thinly sliced on the diagonal; 1 medium zucchini, thinly sliced on the diagonal; 1 teaspoon chopped fresh thyme; ½ teaspoon chopped fresh marjoram; ¼ cup dry white wine; 2 tablespoons grated pecorino cheese, preferably Pecorino-Romano