Risotto With Pesto and Peas

INGREDIENTS

• 1 cup small fresh mozzarella balls or diced fresh mozzarella
• 1 cup frozen peas, thawed
• Kosher salt
• 3/4 cup pesto (store-bought or reserved from Pesto Pork With Polenta
• 3 leeks (white and light green parts only), thinly sliced
• 1 cup arborio rice
• 2 tablespoons unsalted butter
• 1/2 cup grated parmesan cheese
• 1/2 cup dry white wine (optional)
• 3/4 cup diced ham