5-6 medium sweet potatoes, baked, or 2 15-oz. cans of sweet potatoes
1/2 cup sugar
1/2 cup light brown sugar
2 eggs, beaten
1/2 cup evaporated (Pet) milk
1 teaspoons vanilla
1 1/2 teaspoons cinnamon
1/4 teaspoon ground nutmeg
1/3 cup butter, softened
1/4 teaspoon salt