Cucumber Soup

Cucumber Soup
2 1/2 cups of cucumbers, peeled, seeded & sliced
1 medium of onion; halved & sliced
4 tablespoons of chopped fresh parsley or 2 tablespoons of dried parsley
1/4 teaspoon of sea salt
1/2 teaspoon of fresh dill weed or 1/4 teaspoon of dried dill
2 tablespoons of corn oil
2 tablespoons of Arrowroot or cornstarch
1 3/4 cups of water
2 cups of light soy milk or skim milk
1/4 teaspoon of ground black pepper
6 Sprigs of fresh dill