How long does it take to make Sour Soup?

Add the kubbeh to the boiling soup and lower the heat: they sink, and after about 20 minutes they float.

#	What to do	How long
1	Bring to a boil in a wide pot the stock	—
2	Stir in. Taste: the soup should be sweet-and-sour. Adjust to taste	—
3	Serve hot in bowls	—

Balance at the end, once the flavors have come together: add sour, sweet and salty a little at a time, tasting between additions.

Sour kubbeh soup: for about 2 liters of liquid, use 3 beets, ¼ cup lemon juice and 2 tablespoons sugar; the soup should be tangy.
Kubbeh soup starts with chopped onion sweated in oil in a large pot for a few minutes, without browning; then come the vegetables, the tomato paste and the water.
In tom yum the sourness comes from lime or lemon and the saltiness from fish sauce, with lemongrass in the stock; taste and adjust the fish sauce.