3 tablespoons nori, cut in strips
2 tablespoons olive oil
1 medium onion, minced
1/4 cup sweet red pepper, finely chopped
1/4 cup green pepper, finely chopped
2 cloves garlic, minced
1 medium carrot, chopped
3 cups oyster mushrooms, cut in strips
4 cups strong vegetable broth
1 teaspoon miso paste, optional
1. Place nori strips in a bowl and pour warm water over to cover, to rehydrate. Heat oil in soup pot and sauté onion, peppers, garlic and carrot.
2. Add mushroom strips and sauté until they collapse. Strain excess water from nori and add to pot.Add broth to pot, bring to boil.
3. Cover pot and reduce heat to a simmer. Simmer for about 20 minutes. At the table, place miso in soup bowl and top with hot soup. Stir well and enjoy.
You can top with some of my favorite spice blend: http://vegweb.com/index.php?topic=33458.0 
Source of recipe: I was in the mood for something comforting and threw this together.