I found the original recipe for this here and it inspired me to make something of my own. If you do not want to or have the time to make the bone broth, you can always just use beef stock or buy pho soup package from an Asian grocery store. The key to making this more "Korean" flavored is using Korean red pepper flakes.
"Gochugaru" is an essential ingredient in Korean cuisine and the flavor is spicy, sweet, and smoky. If you like spicy flavors in your food, I would highly recommend buying some! You can always add in dipping sauces or marinades.
Noodles - you can use either rice noodles or potato starch noodles (also known as cellophane noodles). I used the whole package of rice noodles and it was enough for 4 meals.
4 cups of broth
1 lb of thinly sliced beef (You can find very thinly sliced beef at an Asian grocery store)
2 tablespoons toasted sesame oil
2 tablespoons of Korean red pepper flakes
2 tablespoons minced garlic
2 cups of sliced bok choy
2 cups of sliced shittake mushrooms
4 scallions, chopped
*You can really add any kind of vegetables you'd like such as sprouts, different kinds of mushrooms, cabbage, etc - you could even try it with an egg!
1) Place the noodles in a large bowl with warm water. No need to boil them! Just put them in warm water for 20-30 minutes and they will be ready.
2) In a large skillet, brown the beef with a little bit of oil. Remove from pan when cooked through.
3) In the same pan, heat sesame oil, garlic, and red pepper flakes until fragrant. Mix this with cooked beef and set aside.
4) Heat broth or soup mixture in a large pot. When it comes to a boil, add your vegetables and cook for about 3-4 minutes until the vegetables are cooked through.
5) Put the noodles, beef mixture, and scallions in the broth and cook for 2 minutes.
6) Divide into individual bowls and add more red pepper flakes if you'd like!
* Instead of placing the noodles back in the pot, I like to put them in the bowl and add the broth mixture, so it looks nicer :)