Tofu Ramen Soup Bowls

Ingredients

• • 1 onion, unpeeled and quartered
  • 1 piece fresh ginger, about 2 inches (5 cm), unpeeled and sliced
  • 2 cloves garlic, unpeeled and halved
  • 1 star anise
  • 1 tbsp (15 ml) olive oil
  • 8 cups (2 litres) vegetable or chicken broth
  • 4 cups (1 litre) water
  • 1 cup (250 ml) strained tomatoes or tomato sauce
  • 1/4 cup (60 ml) low-sodium soy sauce
  • 3 tbsp (45 ml) fish sauce
  • 3 tbsp (45 ml) lime juice
  • 1 tbsp brown sugar
  • 1 tsp (5 ml) sambal oelek
  • 6 oz (170 g) ramen noodles (see note)
  • 3/4 lb (340 g) silken tofu, cubed (see note)
  • 1/2 lb (225 g) baby bok choy, cut into wedges
  • 1/2 lb (225 g) white mushrooms, thinly sliced