flank steak • yellow onion, finely grated • lg. garlic cloves, finely grated • fresh ginger, finely grated • pear juice • sweet soy sauce • toasted sesame oil • brown sugar • - 1 T. Gochugaru Korean Chili Flakes, to taste (I prefer 1/2 T.) • mushrooms, minced • vegetable oil • green onions, 2-inch slices •