Sinigang is a sour Filipino soup consisting of sampalok (fruits of the tamarind tree), water spinach, hot peppers, cabbage, broccoli, eggplant, diced tomatoes, sliced onions, ginger, garlic, green beans, fish sauce, and salt. The basic broth usually consists of rice washing, with the addition of a souring agent.

Ingredients such as pork, fish, milkfish, shrimp, chicken, or beef may also be added to the soup. Sinigang is traditionally served piping hot as a main dish, with rice as its accompaniment. It's an often seen dish at special occasions such as birthdays or weddings, and over time, as the dish became more popular, there were new variations that used guava or raw mango instead of sampalok, and each region developed their own version of the popular soup.

With its sour lightness perfectly matching the harsh tropical heat of the country, sinigang is a unique soup that is a true representative of Filipino cuisine.