How to Cook Japchae Ingredients: 8 ounces beef, thinly sliced 10 pieces Shiitake mushroom, sliced 6 ounces sweet potato noodles 1 bunch green onions, cut in 2 inch pieces 2 pieces egg yolks, beaten, slowly fried, and Julienne (DalGyal JiDan) 3/4 cup carrot, Julienne 1 piece red bell pepper, Julienne 1 1/2 cups spinach, blanched and chopped 1 piece onion, sliced 2 cloves garlic, chopped 5 teaspoons sesame oil 2 teaspoons toasted sesame seeds 4 tablespoons soy sauce 2 tablespoons brown sugar 4 cup