Preheat the oven to 375° F.
The trick to these potatoes is to parboil them first, adding moisture to the inside and reducing the cooking time to finish them off, and then dousing them with lemon juice as soon as they come out of the oven.
Line a baking sheet with parchment paper.
Heat oven to 450F.
Preheat pizza stone, if you have one.
Slice the onions and mushrooms and sauté using the Butter EVOO, until onions are translucent and lightly caramelized.
It is easiest if you have bought pizza dough already rolled, otherwise roll out the pizza dough using a rolling pin and some flour or semolina. Place the pizza dough onto the preheated pizza stone or use a baking sheet lined with parchment paper to spread out the dough.
Using a pastry brush, coat the top of the pizza dough with the Gremolata EVOO and lightly spread the sea salt and pepper over the dough.
Spread the caramelized onion and mushroom mixture on top of the dough.
Add the crumbled goat cheese, mozzarella cheese, and prosciutto evenly on top.
Bake in the oven for 10-15 minutes or until the sides of the crust have browned and the cheese is bubbly.
Remove from the oven and sprinkle the Arugula over the top of the pizza.
Drizzle the Fig Balsamic over the top of the Arugula.
Serve immediately and enjoy!!!