2 1/2pounds russet potatoes (about 4 large), scrubbed, sides squared off and cut lengthwise into 1/4-inch by 1/4-inch fries (see illustration below)
2tablespoons cornstarch
3quarts peanut oil
1tablespoon vegetable oil
2 boneless strip or rib-eye steaks (1 pound each), cut in half (see photo below)
Kosher salt and ground black pepper
Herb Butter
4tablespoons unsalted butter , softened
1/2 medium shallot , minced (about 2 tablespoons)
1clove garlic , minced or pressed through a garlic press (about 1 teaspoon)
1tablespoon minced fresh parsley leaves
1tablespoon minced fresh chives
1/4teaspoon table salt
1/4teaspoon ground black pepper