Classic Japanese Ramen

Name: Classic Japanese Ramen
Ingredients: 4 cups chicken broth (or vegetable broth for a vegan version); 2 servings ramen noodles (or substitute with udon); 2 tablespoons soy sauce; 1 tablespoon miso paste (white or red); 1 tablespoon sesame oil; 2 green onions (sliced); 2 soft-boiled eggs (for garnish); 1 cup bean sprouts (optional, for crunch); 1 cup sliced mushrooms (shiitake or button); 1 cup cooked pork belly or chicken (for protein, optional); Nori seaweed sheets (for garnish, optional)