Preheat oven to 350F. Melt butter; add flour, sugar and mustard, salt and milk. Cook until thick. Stir in vegetables and beaten egg yolks. Fold in whipped egg whites. Pour into well buttered casserole; set in pan of hot water. Bake for 30 minutes. Pour whipped cream over casserole and sprinkle almonds over and Bake for another 15 minutes until brown.
Cajun Country -- New Iberia, Louisiana