Pumpkin Pie with brown sugar

Ingredients

 * 9-inch unbaked pie shell
 * 1/2 Cup packed dark brown sugar
 * 1 teaspoon ground cinnamon
 * 1 teaspoon ground ginger
 * 1/4 teaspoon ground nutmeg
 * pinch of ground cloves
 * 1 1 6-ounce can pumpkin puree
 * 1 1/4 Cups evaporated skim milk
 * 3 large egg whites

Directions

 * Preheat oven to 450 degrees Fahrenheit.
 * In a large bowl, beat all filling ingredients until no lumps remain.
 * Pour into pie shell and bake 10 minutes.
 * Reduce heat to 325 degrees Fahrenheit and bake 50 minutes more, or until a knife inserted in the center comes out clean.
 * To avoid over browning of fluted edge, cover edge with narrow strips of aluminum foil.
 * Remove foil during the last 15 minutes of baking.