-
Bake sweet potato in center of 325°F oven until tender, about 1 hour.
-
Peel and puree until smooth; set aside.
-
Butter a 12-cup shallow casserole.
-
Heat milk, half and half, salt and sugar in a heavy saucepan over medium heat.
-
When small bubbles appear around the edge, slowly whisk in cornmeal and flour, stirring constantly.
-
Continue to stir as mixture cooks and thickens.
-
When smooth and creamy, remove from heat and stir in butter until completely melted and combined.
-
In a medium bowl, beat yolks and cream together until lightened in color.
-
Gradually add to cornmeal mixture.
-
Add 3/4 cup sweet potato puree.
-
Add salt to taste, if desired.
-
Recipe can be made ahead to this point.
-
Preheat oven to 350°F.
-
Beat egg whites and fold into cornmeal mixture.
-
Spread into prepared dish.
-
Bake until puffy, golden brown aand just set, about 30 to 35 minutes.
-
Makes 12-14 servings.
-
Enjoy!