Rustic Tomato and Zucchini Tart

Bahan-bahan (6 porsi)

• 1¾ cups all purpose flour
• ¼ cup whole grain cornmeal
• 2 tablespoons granulated white sugar
• ¼ teaspoon salt
• ½ cup (1 stick) cold salted butter, (cut into pieces)
• ⅓ cup + 1 to 2 tablespoons lowfat buttermilk
• 2 whole leeks, (cut into thin slices (white and some green parts too))
• 1 tablespoon olive oil
• 1 cup shredded Fontina cheese ((or another white cheese of your choice))
• 1½ cups multi-colored cherry tomatoes, (sliced in half)
• 1 small zucchini, (sliced)
• 1 tablespoon chopped fresh oregano or basil
• kosher salt and freshly ground black pepper