Fugazzeta (Cheese-Stuffed Pizza)

Preparation

1. Step 1

   Prepare the dough: Combine the bread flour, salt and yeast in the bowl of a stand mixer with a dough hook attachment. Mix on medium speed for 1 minute to combine. Add the olive oil and water, and mix on medium until it comes together into a smooth dough, is no longer sticky, and has reached optimum gluten development, 15 to 17 minutes. (You can test gluten development by stretching a small lump of dough between your fingers; when it’s ready it will stretch into a thin, see-through film without tearing.)

2. Step 2

   Lightly drizzle the dough ball with more olive oil then tightly wrap the bowl in plastic wrap. Set aside to proof in a warm area in your kitchen until doubled in size, 1½ to 2 hours. When you gently poke the dough with your finger, a small indent should remain.

3. Step 3

   Prepare the filling and topping: Divide the dough into 2 even pieces. Rub the bottom and sides of a well-seasoned 10-inch cast-iron skillet with the olive oil. Stretch out one portion of dough into an even disk that covers the bottom of the pan. Shingle the provolone in the center, leaving a ½-inch border. Top with the mozzarella, maintaining that ½-inch border along the edges. Evenly sprinkle with oregano, red-pepper flakes and a pinch of salt.

4. Step 4

   Stretch the remaining portion of dough into an even disk slightly wider than your pan’s size. Drape the disk of dough on top of the cheese and pinch the edges of the top and bottom rounds of dough together, securing all the cheese inside. Cover with a towel and set aside in a warm area to proof for another 30 minutes.

5. Step 5

   In the meantime, in a large bowl, whisk together 1 tablespoon of salt and the ice water. Soak the shaved onion in the salt water.

6. Step 6

   Heat oven to 450 degrees.

7. Step 7

   Drain the onions, spin them dry in a salad spinner, then pat dry with paper towels. Evenly top the fugazzeta with the grated Parmesan, shaved onion, a drizzle of olive oil and a large pinch of salt. Bake until onions have shriveled and charred in spots and the dough is golden brown underneath, 25 to 30 minutes.

8. Step 8

   Turn the broiler on high and broil until the onions are deeply charred, 2 to 3 minutes. Let rest for at least 10 minutes, then slice into wedges and serve.