Pressure Cooker Hot and Sour Tofu Soup

Name: Pressure Cooker Hot and Sour Tofu Soup
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Yield: 4 serving(s)
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; ½ 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; ¼ cup (10 g) chives, finely chopped