Fish Soup

Ingredients

• 1 tbsp. cooking oil
• 5 cherry tomatoes
• ¼ red onion, sliced
• 1 clove garlic, minced
• 1 green chili pepper, seeded and chopped
• salt to taste
• 1 lb fish, such as salmon or catfish, cut into 1-inch chunks
• 3 cups broth
• scallions, chopped
• fish sauce* to taste