Cake
1 (18.25 ounce) box yellow cake mix
3 egg whites
1 1/4 cups canned plain pumpkin
1 cup orange juice
1/3 cup sour cream
1 1/2 teaspoons vanilla extract
1 teaspoon cinnamon
1/2 teaspoon nutmeg
1/2 teaspoon allspice

Glaze
1 1/2 cups confectioners' sugar
1/4 teaspoon vanilla extract

Preheat oven to 350 degrees F.

Mix together all the cake ingredients for 2-3 minutes. Pour into a greased Bundt pan. Bake 35-40 minutes.

Mix confectioners' sugar and vanilla extract. Gradually add water, a tablespoon at a time, until it reaches desired consistency and drizzle over cake. Cool.