Fresh Grapefruit Cake

Ingredients

2/3 cup butter or margarine
1 3/4 cups sugar
2 eggs
3 cups cake flour
2 1/2 teaspoons baking powder
1/2 teaspoon salt
1/2 cup fresh grapefruit juice
3/4 cup milk
1 teaspoon grated grapefruit peel
1 1/2 teaspoon vanilla extract

Frosting

1 1/2  cups sugar
2 eggs whites
1 tablespoon light corn syrup
1/8 teaspoon salt
1/3 cup fresh grapefruit juice
1 tablespoon grated grapefruit peel
2 teaspoon vanilla extract

Directions

In a large mixing bowl, cream butter.  Gradually add sugar; beat well.  Add eggs, one at a time,
beating well after each addition.  Sift together flour, baking powder and salt; add to creamed
mixture alternately with grapefruit juice. beginning and ending with flour mixture. 
Gradually add milk.  Stir in peel and vanilla, mix well.  Pour batter into two greased and
floured 9-inch round cake pans.  Bake at 350 degrees for about 30 minutes or until a toothpick
inserted in the center comes out clean.  Cool in pans 10 minutes; remove to a wire rack to cool
completely.  For frosting, combine first five ingredients in the top of a double boiler.  Beat
at low speed with a portable electric mixer for 30 seconds.  Place over boiling water; beat
constantly at high speed 7 minutes or until stiff peaks form.  Remove from the heat; add
grapefruit peel and vanilla: beat 1-2 minutes or until the frosting is thick enough to spread..
Spread between layers and frost entire cake.