Cheesy Arancini Balls

Ingredients

• 2 tablespoons extra virgin olive oil, plus more for cooking vegetables
• 1 onion, finely chopped
• 2 cups (400g) Arborio rice
• 2/3 cup dry white wine
• 5 cups chicken broth or vegetable broth, warm
• Fine sea salt
• Freshly ground black pepper
• 4 tablespoons (1/2 stick) unsalted butter
• 1 cup grated Roth Grand Cru® cheese, plus more for rice balls
• ¼ cup grated parmesan cheese
• 1 large egg, lightly beaten
• 1/3 cup fresh or frozen (and defrosted) peas, optional
• 1 1/4 cups Panko breadcrumbs
• 4 ounces Roth Grand Cru® cheese, cut into ¼-inch pieces
• Extra virgin olive oil or canola oil, for frying
• Fine sea salt, for sprinkling