Separate the egg whites from the yolks and place them in a mixing bowl, leaving the yolks in a small bowl nearby.
Whisk the egg whites until white and frothy enough to hold your whisk up in the middle of the bowl without falling, then start to add your sugar a little at a time.
When you are done with the sugar add one yolk at a time and whisk into the mixture on the lowest speed until the yellow colour has dissolved. Do this until you have finished your yolks.
Add your vanilla and baking powder to the mix and then start sifting the flour into the mixture a little bit at a time. Make sure you have completely mixed in the first bit before adding another bit. Again on the lowest speed.
Your cake mixture is now done and needs transferring onto a 26.5-inch baking tin. If you wish you can grease your cake tin with some butter or margarine and then layer the bottom with some parchment paper before you transfer your cake mix.
Place in the middle rack of a preheated oven on gas mark 4 or 5. Bake for about 30 mins before you check on it. When it appears to be done use a toothpick or wooden skewer to punch through the middle, if it comes out dry it's done.
Once the cake sponge has reached room temperature, place it in the fridge and leave it to cool for about 30-40 mins.
Then you can cut your cake into 3 even layers, or 2 if you prefer your layers to be thicker.
Whisk 500ml of whipping cream with 1/2 tin of condensed milk until light and fluffy. (this cream is so yummy but not thick enough to hold if you want to pipe it.)
Mix a little condensed milk with some drinking water and sprinkle over the top side of the cake layers as you build it up. (this adds more moisture to the sponge)
Then if you want to add any sliced fruit such as strawberries, peaches or bananas to the layers, do this first before spreading the cream over the top.
Once you have built up your cake ie: cake layer - condensed milk sprinkle - fruit layer - cream layer - cake layer - condensed milk sprinkle - fruit layer - cream layer and so on.
Cover the entire cake smoothly with this cream all the way around and place in the fridge again for 30 -40 mins to harden slightly. (the longer the better)
Now we need to whisk the other half of the double-whipping cream that we will be needing for the piping out. This time you will only add a little caster sugar to taste. (I added 2-3 tbsp).
Cover your cake with this 2nd layer of cream with a spatula or spoon and smooth it out as best as you can, making sure it's at least 1cm thick.
At this point, I prefer to sprinkle the chopped nuts around the edges of the cake first before piping. (I used chopped walnuts.)
Then transfer your cake from the tray to the serving plate or cake stand.
Place the remainder of the piping cream in a piping bag and pipe around the bottom of the cake first and then the top outer edge.
I aligned the top and outer edge of the cake with black seedless grapes cut in half. I overlapped sliced tinned peach in the middle and added some colour with a few sliced kiwi halves. Then I garnished the bottom with 4 strawberries.
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