Boil water in a large pot and cook the ramen noodles according to package instructions. Drain and set aside.
In another pot, heat the chicken or vegetable broth over medium heat.
Stir in the miso paste until fully dissolved.
Add sliced mushrooms and let them simmer for about 5 minutes.
Incorporate the cooked ramen noodles into the broth.
Season with sesame oil to taste.
Divide the ramen into bowls.
Top each bowl with soft-boiled eggs, sliced chashu pork, and bean sprouts.
Garnish with sliced green onions and nori sheets.
Serve hot and enjoy your homemade miso ramen!