If you can't find lemongrass, galangal, and kaffir lime leaves, just skip them. There are no real substitutes but your soup will not have the aromas imparted by these ingredients. You can buy Thai red chili paste online.
Serving: 4people | Calories: 258kcal | Carbohydrates: 10g | Protein: 29g | Fat: 13g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 0.01g | Cholesterol: 128mg | Sodium: 1069mg | Potassium: 835mg | Fiber: 1g | Sugar: 3g | Vitamin A: 1902IU | Vitamin C: 22mg | Calcium: 90mg | Iron: 4mg