INGREDIENTS
•
3 large baking potatoes (about 2 pounds), scrubbed
•
1/4 cup plus 2 tablespoons cornstarch
•
6 tablespoons all-purpose flour
•
1/2 cup freshly grated Parmigiano-Reggiano cheese (2 ounces)
•
Kosher salt
•
1 large egg, beaten
•
Canola oil, for frying
•
Ketchup, for serving