Lentil Soup

For amounts:
tablespoon olive oil
2 medium onions
Garlic (I used about 8 cloves)
coriander
2 liters of water
3 sweet potatoes, cut into cubes
Boil (almost complete)
Spices: 1 teaspoon salt, allspice, chili and sumac
Acid on demandsu is a coffee-flavoured Italian dessert.