Make dough as instructed in recipe for Ca' Momi Pizza.
In Step 10, top pizza with tomato sauce, spreading outward in a widening circle with the back of a soupspoon. Then scatter mascarpone in spoonfuls about 1 in. apart, followed by mozzarella.
Bake as instructed in recipe for Ca' Momi Pizza.
Finish with arugula, parmigiano-reggiano, and a drizzle of olive oil. If your arugula is mild, you might want to add a bit of freshly ground black pepper.