Cream Of Mushroom Soup

1 lb. fresh mushrooms
2 c. onions
1 1/2 tsp. sugar
3 tbsp. flour
1 c. cold water
1 can chicken soup
1 c. all purpose cream
Salt & pepper to taste
2 tbsp. butter

Grate mushrooms and onions. Melt butter and saute onions and sugar until brown. Add mushrooms and saute for 3 minutes. Stir in flour until smooth. Add cold water and stir until blended. Add can of soup and simmer for 15 minutes. Just before serving, stir in cream.