Melt butter in pan. Remove from heat. Stir in flour, salt, cayenne and paprika. When smooth, stir in milk. Bring to boil over medium heat. Cool. Stir in slightly beaten egg yolks. Beat egg whites until stiff. Fold into cheese mixture into egg whites. Put in ungreased 1 1/2 quart souffle dish. With back of spoon, make a mark around top of souffle. Set dish in pan with 1-inch deep hot water. Bake in moderate oven (350°F) 50 to 55 minutes. Souffle serves 4 to 6.