Step 1

Place a pizza stone or upside-down baking sheet in the oven and preheat to 450 degrees F. Roll out the dough on a lightly floured surface into a 12-inch round. Transfer to a cornmeal-dusted pizza peel or another upside-down baking sheet; slide the dough onto the hot pizza stone or baking sheet. Bake 8 minutes. Meanwhile, combine 2 tablespoons olive oil in a bowl with the garlic, rosemary, and salt and pepper to taste.

Step 2

Remove the pizza from the oven, brush with the olive oil mixture and top with the ricotta and mozzarella. Return the pizza to the oven; bake until the cheese is golden and bubbly, about 6 more minutes.

Step 3

Meanwhile, toss the arugula and shallot in a large bowl with the lemon juice, the remaining 2 tablespoons olive oil, and salt and pepper to taste. Top the pizza with the arugula salad, prosciutto and shaved parmesan. Cut into slices.