¼ pear, grated
1 garlic clove, grated
2 tablespoons soy sauce
1 tablespoon gochugaru (coarse Korean hot pepper flakes), or 1 teaspoon crushed red pepper flakes
1 tablespoon grated peeled ginger
1 tablespoon light brown sugar
1 tablespoon toasted sesame oil
1 pound boneless pork loin, trimmed hanger steak, boneless short rib, or skinless, boneless chicken breasts or thighs
2 tablespoons vegetable oil, divided
Kosher salt
Sliced scallions (for serving)