Potatoes, carrots, zucchini peel and boil. Vegetable broth drain, but leave about 100-150 ml.

Onions chop and fry in butter until Golden brown.

Boiled vegetables and onion mix in blender until smooth. Pour the mixture into the pan, add the vegetable broth, milk, curry, chopped or grated through a grater, the garlic, Bay leaf and salt. Cook until tender.