Thai rice soup with shrimp (khao tom goong)

Ingredients

• 350 grams shrimp (shelled, deveined, and butterflied)
• 2 cups water
• 1 cup cooked rice
• 1/2 tsp preserved cabbage
• 2 tbsp fish sauce
• 1 tbsp soy sauce
• 1 tbsp minced garlic
• 1 cup chinese celery (including the leaves), sliced
• 1 tsp pepper powder
• fried garlic for topping (optional)
• salted radish (optional)