To ensure you can create these delicious soups easily, follow these step-by-step instructions:

1. Prepare Dashi Broth: If using dried kombu or bonito flakes, steep in boiling water for 5-10 minutes. Strain to get a flavorful dashi.
2. Heat Broth: In a pot, pour in the dashi and bring it to a gentle simmer on medium heat.
3. Add Vegetables: Toss in the mushrooms and diced tofu. Allow to simmer for about 5-7 minutes.
4. Incorporate Wakame: Add the wakame seaweed and let it soak in the broth for approximately 2-3 minutes.
5. Miso Mixing: Take a small amount of hot broth in a bowl and mix it with miso paste until smooth.
6. Combine: Stir the miso mixture back into the pot. Ensure not to boil vigorously, as high heat can kill beneficial bacteria in miso.
7. Season: Taste your soup. Add salt and pepper as required.
8. Garnish: Upon serving, sprinkle with chopped green onions and sesame seeds if desired.
9. Serve Hot: Ladle into bowls and serve immediately.

By following these straightforward instructions, you’ll create an incredible breakfast soup that’s sure to impress.