Zucchini Fenchel Suppe (Zucchini and Fennel Soup)

By Diana

4.91 / 5

20min

18min

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2 tablespoons butter
1 onion finely chopped
1 bulb fennel diced, green tops reserved
1 zucchini peeled and thinly sliced
2 cups chicken stock
1 teaspoon mild curry powder
salt and freshly ground black pepper to taste
1 teaspoon white wine vinegar or to taste