Preheat the oven to 350 degrees F (180 degrees C).
Add 1 tsp of juice from
Water (2/3 cup)
. Add the
Red Apple (1)
about 2mm thick. Save the other half of the apple.
Place the sliced apples into the bowl of lemon water. Microwave, about 1-2 minutes until the apples are pliable, soft but not mushy. Reserve 1 tablespoon apple liquid to grated apple.
Drain the apple slices and dry them with kitchen towel.
Red Apples (1/3 cup)
in a bowl and mix well with 1 tablespoon apple liquid.
yolks and whites and set both aside.
In a large bowl, stir well 3 egg yolks,
Vanilla Extract (1/2 tsp)
Caster Sugar (2 Tbsp)
with a hand whisk. Add grated apple and
Corn Oil (2 1/2 Tbsp)
, stir well again to combine. Sift in
Cake Flour (1/2 cup)
and mix well.
Whisk 4 of the egg whites,
Caster Sugar (1/4 cup)
, and the remaining Lemon Juice till frothy with an electric mixer at low speed, gradually add in the sugar in batches. Continue beating egg whites at medium speed till stiff peaks form.
Add ⅓ of the egg whites into egg yolk mixture, fold well with a rubber spatula. Then gently fold in the rest of egg whites till combined.
Pour batter into a 7 inch removable cake pan. Gently arrange sliced apples on top of the batter into a rose form.
Bake in preheated oven for 15 minutes.
Then lower temperature to 325 degrees F (160 degrees C) and bake for another 35-40 minutes.
Invert the cake pan immediately to cool completely before removing the cake from pan.