Ultimate Simmered Vegetarian Pho with Flavorful Broth

Ingredients

• 1 tablespoon vegetable oil (15 ml)
• 1 onion, halved (about 150 g)
• 4 cloves garlic, smashed
• 1-inch piece fresh ginger, sliced (about 25 g)
• 2 whole star anise
• 1 stick cinnamon (about 3 inches)
• 6 cups vegetable broth (1.4 L)
• 1 tablespoon soy sauce (15 ml)
• 1 tablespoon miso paste (optional) (15 g)
• Salt, to taste
• 8 oz rice noodles (225 g)
• 1 cup shiitake mushrooms, sliced (75 g)
• 1 cup bok choy, chopped (75 g)
• 1 cup carrot, julienned (120 g)
• 1 cup bean sprouts (100 g)
• Fresh cilantro leaves, for garnish
• Lime wedges, for serving
• Sriracha or hoisin sauce, for serving