Stir fried glass noodles Japchae 잡채

Ingredients (serves 4):

• 4 ounces beef, filet mignon (or pork shoulder), cut into ¼ inch wide and 2½ inch long strips
• 2 large dried shiitake mushrooms, soaked in warm water for 2 to 3 hours, cut into thin strips
• 2 garlic cloves, minced
• 1 tablespoons plus 2 teaspoons sugar
• 2 tablespoons plus 1 teaspoon soy sauce
• 2 tablespoons sesame oil
• 1 tablespoon toasted sesame seeds
• 1 large egg
• 4 ounces spinach, washed and drained
• 4 ounces of dangmyeon (sweet potato starch noodles)
• 2 to 3 green onions, cut crosswise into 2 inch long pieces
• 1 medium onion (1 cup), sliced thinly
• 4 to 5 white mushrooms, sliced thinly
• 1 medium carrot (¾ cup), cut into matchsticks
• ½ red bell pepper, cut into thin strips (optional)
• ground black pepper
• salt
• vegetable oil