Vegan Ramen with Shiitake Broth

Name: Vegan Ramen with Shiitake Broth
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: Japanese
Ingredients: 1 large onion-diced; 2 smashed garlic cloves; 1-2 tablespoon olive oil; 4 cups veggie stock; 4 cups water; 1/2 cup dried Shiitake Mushrooms, broken into small pieces (see notes ); 1 sheet Kombu seaweed (available at Asian markets) –optional, but good!; 1/8 cup mirin ( Japanese cooking wine); 1-2 tablespoons white miso paste; pepper to taste; 6- 8 ounces Ramen Noodles; 8 ounces Cubed Crispy Tofu; Garnishes: scallions, Furikake or toasted sesame seeds, sriracha and sesame oil