Sugar Pie - cooking recipe

Ingredients

1 cup brown sugar, packed
1/2 cup white sugar
1 tablespoon flour
1/4 teaspoon salt
2 eggs, well beaten
1 1/4 cups milk
1 teaspoon vanilla
2 tablespoons butter (see note below)
1 unbaked pie shell

Preparation

Combine all ingredients and pour into unbaked pie shell.
Bake at 400\u00b0 F until it raises and knife inserted in center comes out clean.
(8/14/06: I made this pie for the first time today and baked it for 50 minutes. It did not look quite set, but after I let it cool for a half hour it cut beautifully. It could take 45-60 minutes depending on your oven).
Note: original recipe called for butter the size of a walnut---I researched it and found this to mean 1 ounce, or 2 tbsp, of butter.