Instructions: Stir sugar, salt and flour together in mixing bowl. Add egg yolks, buttermilk, butter and vanilla. Blend well. In separate bowl, whip egg whites until moist peaks form, 1 minute. Fold beaten egg whites into buttermilk mixture. Do not over-mix.

Pour 1 quart (4 cups) buttermilk custard mixture into unbaked pie shell. (Any remaining custard filling may be poured into cups and baked at 350 degrees until set, about 25 to 35 minutes.)

Bake pie at 300 degrees until knife inserted in center comes out clean and top is crusty and golden brown, about 55 minutes to 1 hour.

This recipe yields 6 servings.

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