Sugar for the topping - Blend 4 tbsp. granulated sugar to 1 tsp. brown sugar
Preheat oven to 350 F. Heat cream over low heat until bubbles form around the edge of pan. Beat egg yolks and sugar together until thick, about 5 minutes.
Gradually beat cream into egg yolks. Stir in vanilla and pour into 6 (6 oz) custard cups. Place custard cups in baking pan that has about 1/2 inch water in bottom.
Bake until set, about 45 minutes. Remove custard sups from water and refrigerate until chilled Sprinkle each custard with about 2 teaspoons sugar blend. Place on top rack under boiler and cook until topping is medium brown. Chill before serving.