Leek and Fennel Soup
Ingredients:
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2 tablespoons olive oil
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3 large leeks, cleaned and thinly sliced
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4 large stalks celery, thinly sliced
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3 large white onions, peeled and halved
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1 large fennel bulb, thinly sliced
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2 large baking potatoes, peeled and cut into 1/2-inch cubes
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1 tablespoon salt
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1 ½ teaspoons ground black pepper
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8 cups water
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2 cubes vegetable bouillon