Creamed Beetroot soup

·                             4 beets, washed, or 2 cups sliced canned or jarred beets

·                             4 cups meat or vegetable stock

·                             1 teaspoon sugar

·                             Salt and black pepper

·                             1/2 cup sour cream

·                             2 tablespoons all-purpose flour

·                             Chopped fresh dill for garnish