What is a substitute for water spinach in sinigang?
                                
                                
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                                    5 min read                                
                            
                                Interestingly, water spinach, or *kangkong*, is not a true spinach but a member of the morning glory family. When this traditional ingredient for the sour Filipino soup is unavailable, knowing what is a substitute for water spinach in sinigang is key to preserving its authentic flavor and texture.