Cook vegetables, drain cooking fluid into 2 cup measure. Add cream to make 1 1/2 cups of liquid. Spoon vegetables into a 4 cup baking dish. Melt butter in saucepan, stir in flour and then liquid. Cook stirring occasionally until it thickens. Boil one minute; stir remaining ingredients. Cook slowly, stirring constantly for 5 minutes. Pour over vegetables and cover.
Bake in a moderate oven at 350° for 30 minutes or until bubbly.
