For the potatoes
01 -
4 medium russet potatoes, about 2 lb (900 g), scrubbed
02 -
6 cups (1.4 L) cold water
03 -
1 tablespoon kosher salt, for soaking
For the coating
04 -
1 cup (125 g) all-purpose flour
05 -
2 tablespoons cornstarch
06 -
1 1/2 teaspoons kosher salt
07 -
1 teaspoon black pepper
08 -
1 teaspoon paprika
09 -
1 teaspoon garlic powder
10 -
1 teaspoon onion powder
11 -
1/4 teaspoon cayenne pepper
12 -
1/2 teaspoon MSG, optional
13 -
1 cup (240 ml) whole milk
14 -
1 large egg
For frying and serving
15 -
6 cups (1.4 L) neutral oil, or enough for 2 inches in the pot
16 -
Extra kosher salt, for finishing
17 -
Ketchup, ranch, or gravy, for serving