Creamed Spinach, French-Style

3 tablespoons butter
2 cups finely chopped, cooked spinach
1 tablespoon flour
1/2 cup cream
Salt, pepper and nutmeg
Trace of sugar

Melt butter. Add cooked spinach and cook 3 minutes. Sprinkle with flour. Stir well. Add cream. Cook 5 minutes. Season to taste.