Follow directions for whipped frosting, adding 1/2 teaspoon grated orange peel with the vanilla in step 3.

How to Make It

Step 1
1

Oil a metal 8-inch square or 8-inch wide round cake pan, or a 9-inch wide, 1 1/2- to 2- inch deep heart-shaped pan. Line pan bottom with waxed paper cut to fit; oil paper. Dust pan with cocoa, shaking out excess.

Step 2
2

In a bowl, mix 2/3 cup cocoa, flour, soda, and salt.

Step 3
3

In another bowl with a mixer, beat to blend sugar, 1/4 cup salad oil, egg whites, vanilla, orange peel, and 1 cup water. Add flour mixture; stir to mix, then beat until batter is smooth. Scrape batter into prepared pan.

Step 4
4

Bake in a 350° oven until cake begins to pull from pan side and springs back when lightly pressed in center, 35 to 40 minutes.

Step 5
5

Let cool in pan on a rack for 10 minutes. Run a thin knife between cake and pan rim, invert the cake onto a rack, lift off pan, and gently pull off and discard waxed paper. Let cool about 1 hour. Invert a flat plate onto cake; holding rack and plate together, turn cake over onto plate. Spread cake with whipped frosting, swirling with small spatula. Lightly dust with more cocoa.

Ingredients

  About 1/4 cup salad oil
  About 2/3 cup unsweetened cocoa
 1 1/3 cups all-purpose flour
 1 teaspoon baking soda
 1/4 teaspoon salt
 1 1/4 cups sugar
 2 large egg whites
 1 teaspoon vanilla
 1 teaspoon grated orange peel

Directions

Step 1
1

Oil a metal 8-inch square or 8-inch wide round cake pan, or a 9-inch wide, 1 1/2- to 2- inch deep heart-shaped pan. Line pan bottom with waxed paper cut to fit; oil paper. Dust pan with cocoa, shaking out excess.

Step 2
2

In a bowl, mix 2/3 cup cocoa, flour, soda, and salt.

Step 3
3

In another bowl with a mixer, beat to blend sugar, 1/4 cup salad oil, egg whites, vanilla, orange peel, and 1 cup water. Add flour mixture; stir to mix, then beat until batter is smooth. Scrape batter into prepared pan.

Step 4
4

Bake in a 350° oven until cake begins to pull from pan side and springs back when lightly pressed in center, 35 to 40 minutes.

Step 5
5

Let cool in pan on a rack for 10 minutes. Run a thin knife between cake and pan rim, invert the cake onto a rack, lift off pan, and gently pull off and discard waxed paper. Let cool about 1 hour. Invert a flat plate onto cake; holding rack and plate together, turn cake over onto plate. Spread cake with whipped frosting, swirling with small spatula. Lightly dust with more cocoa.

Midnight Orange Cake