Jiujiang shrimp tofu

Ingredients

• 300 g soft tofu (cut into cubes)
• 150 g fresh river shrimp (peeled, deveined)
• 2 tbsp vegetable oil
• 3 slices ginger
• 2 cloves garlic
• 1 tbsp soy sauce
• 1 tbsp cooking wine
• 1/2 tsp sugar
• 100 ml chicken stock
• Chopped scallion for garnish