By Kim Kushner
If you’re looking for a soup recipe that is modern and unique, look no further. The sweet caramelized onions and fennel contrast with the earthy mushrooms, and together they create a sophisticated soup that is the ideal starter for a dinner party.
In a very large sauté pan, heat 4 tablespoons (2 fl oz/ 60 ml) of the oil over medium-high heat. Add the oni