For the potato cakes
01 -
2 lb (900 g) Yukon Gold potatoes, peeled and cut into chunks
02 -
1 1/2 teaspoons fine salt, divided
03 -
2 tablespoons unsalted butter
04 -
1/4 cup (32 g) potato starch, plus more for dusting
05 -
1/2 teaspoon garlic powder
06 -
1/4 teaspoon black pepper
For the cheese filling
07 -
1 cup (115 g) shredded mozzarella cheese
08 -
1/2 cup (55 g) shredded sharp cheddar cheese
09 -
2 tablespoons sour cream
10 -
2 tablespoons finely sliced scallions
11 -
2 tablespoons chopped fresh parsley
For frying and serving
12 -
3 tablespoons neutral oil, plus more as needed
13 -
Sour cream, for serving
14 -
Extra parsley or scallions, for garnish