Pressure Cooker Hot and Sour Tofu Soup

Ingredients

• • 3 tbsp cornstarch
  • 5 cups (1.25 litres) beef broth
  • 1 block (1 lb/450 g) semi-firm tofu, patted dry and cubed
  • 1 can (199 ml) sliced bamboo shoots or 1 can (227 ml) sliced water chestnuts
  • 1/2 oz (14 g) dried shiitakes mushrooms, chopped, rinsed and drained
  • 1/3 cup (75 ml) rice vinegar
  • 1 tbsp (15 ml) sambal oelek (see note)
  • 1 tsp (5 ml) toasted sesame oil
  • 2 eggs, beaten
  • 1/4 cup (10 g) chives, finely chopped