In a stainless steel bowl placed over a
saucepan of simmering water, whisk together the eggs, sugar, and lemon juice
until blended. Cook, stirring constantly (to prevent it from
curdling), until the mixture becomes thick (like sour cream)
(160 degrees F) (71 degrees C). This takes about 10 minutes. Remove from heat
and immediately pour through a fine strainer to remove any lumps. Cut the butter
into small pieces and whisk into the mixture until the butter has melted. Add
the lemon zest and let cool. The lemon curd will continue to thicken as it
cools. Cover immediately (so a skin doesn't form) and refrigerate until
cold. The lemon curd can be made several days in advance.
Preheat oven to 350 degrees F (177 degrees C). Butter
and flour two - 9 inch x 1 1/2 inch (23 x 3.75 cm) cake pans, and then line the bottoms with parchment paper.
Cake: While the eggs are still cold separate the eggs, placing the yolks in
one bowl and the whites in another bowl. Cover the two bowls with plastic
wrap and allow the eggs to come to room temperature before using (about 30
In a mixing bowl
or whisk together the flour, baking powder, baking soda, and salt.
In bowl of electric
mixer, or with a hand mixer, beat the butter until soft (about 1-2 minutes). Gradually add 1 1/2 cups (300
grams) of the sugar
and beat until light and fluffy (about 2-3 minutes). Add the egg yolks, one at a
time, beating well after each addition.
Scrape down the sides of the bowl.
Add the vanilla extract and beat until combined.
With the mixer on low speed,
alternately add the flour mixture and buttermilk, in three additions,
beginning and ending with the flour.
In a clean bowl of your
electric mixer, with the whisk attachment, (or with a hand mixer) beat the egg whites until foamy.
Add the cream of tartar and continue beating until soft peaks form. Gradually add the remaining 1/4 cup (50 grams) of sugar and continue to beat
until stiff peaks form. With
a rubber spatula gently fold a
little of the whites into the batter to lighten it, and then
fold in the remaining
whites until combined. Do not over mix the batter or it will deflate.
batter and pour into the prepared pans, smoothing the surface with an offset
spatula or the back of a spoon. Bake for about 35 to 40 minutes or until a
toothpick inserted into the center of the cake comes out clean and the cake
springs back when pressed lightly in center. Place the
cakes on a wire rack to cool, in their pans, for about 10 minutes. Then invert
the cakes onto a greased rack. To prevent splitting, reinvert cakes so
that tops are right side up. Cool completely before filling and frosting.
In a stainless steel bowl over a saucepan of simmering water, place the egg
whites, sugar, water, and corn syrup. With a handheld electric mixer beat
the mixture for 3 to 4 minutes on low speed. Increase the speed to high
and continue to beat for another 3 to 4 minutes or until the icing is shiny and
satiny with soft peaks. Remove from heat,
add the vanilla extract, and continue to beat on high speed for another 1 to 2
minutes or until the frosting is thick. Use immediately.
With a serrated knife, cut each cake layer in half, horizontally. Place one cake layer on your serving plate and spread with about
1/3 of the lemon curd and sprinkle with about 2 tablespoons of coconut. Continue with the next
layers, stacking and filling with the lemon curd and coconut. Frost the
top and sides of the cake with the 7-Minute Frosting and then sprinkle with
about 1 cup (240 ml) of coconut. Cover and refrigerate the cake
until serving time. Makes one - 9 inch
(23 cm) layer cake.