1 cup flour |
1/8 teaspoon salt |
1/8 teaspoon granulated sugar |
6 tablespoons unsalted butter very cold cut into 1/4 cubes |
1/4 cup ice water |
topping |
1 tablespoon olive oil |
1/2 yellow onion thinly sliced |
1/4 pound yellow squash sliced into 1/4 rounds |
1 tablespoon fresh thyme leaves |
1/4 teaspoon salt |
1/4 teaspoon freshly ground black pepper |
1/4 pound pepper jack cheese coarsely grated |
1 tablespoon milk or cream |