A lemon chiffon cake filled with Lemon Whipped Cream.
Preheat oven to 325 F.
For 9″ cake: With mixer, beat 3 egg whites, 1/2 TBL lemon juice and (adding gradually) 1/4 cup sugar until soft peaks form. Transfer to another bowl. Combine 1 cup flour, 1/2 cup sugar, 1–1/4 tsp baking powder and 1/4 tsp salt. In mixer beat 3 egg yolks, 3 ounces milk, 1/4 cup oil and 2 tsp lemon zest. until pale yellow.
For 10″ tube cake: With mixer, beat 7 egg whites, 1 TBL lemon juice and (adding gradually) 1/2 cup sugar until soft peaks form. Transfer to another bowl. Combine 2 cups flour, 1 cup sugar, 2–1/2 tsp baking powder and 3/4 tsp salt. In mixer beat 7 egg yolks, 3/4 cup milk, 1/2 cup oil and 4 tsp lemon zest. until pale yellow.
Add dry ingredients and beat about 2 minutes at medium speed. Fold in egg whites, blending thoroughly. Pour into an ungreased spring-form pan (9 inches is ideal). Bake about 50 minutes — don’t open oven until at least 45 minutes have passed. Cake rises and then settles back down. A finger pressed in gently into cake won’t leave a print when it’s done, and you can probably hear a crackling sound, too.
Cool in inverted pan for 30 minutes. If it’s a tube pan, rest inverted pan on a bottle. When completely cool, remove from pan, cut into layers and fill with Lemon Whipped Cream.
Chiffon cake doesn’t get hard in the refrigerator, so you can make and fill this a bit in advance.