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1
Preliminaries [Steps 1 and 2]: Divide the egg yolks and egg whites, and place the egg yolks into a large bowl and the egg whites in a small bowl.
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2
Sift the powdered ingredients, and mince the rum raisins.
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3
Add salt to the egg whites, add in half of the sugar in 2 batches, and use a handheld electric mixer to whip the egg whites until they form peaks and are glossy.
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4
Add the remaining sugar to the egg yolks, and beat well until it turns pale and and thick.
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5
Add the rum raisins.
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6
The beaters of the mixer should leave a trail in the batter at this point.
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7
Add the olive oilrum raisin liquid and milk in that order, stirring well each time.
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8
Add in 1/3 of the sifted cake flour from step 2, mix it in until blended.
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9
Add the remaining flour and fold it in using a cut-and-lift motion.
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10
Using the same egg beater from step 6, stir in 1/3 of the beaten egg whites from step 3.
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11
Fold in the rest using a spatula.
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12
Pour the batter into a lined cake sheet pan, and bake in an oven preheated to 180C for 14~15 minutes.
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13
Remove the cake from the pan with the cooking sheet still intact, and let cool on a cooking rack etc.
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14
When the cake has cooled down a little, cover it with another sheet of kitchen parchment paper and leave until it has cooled down completely.
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15
While the cake is cooling, beat the ingredients together to make the filling.
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16
When the cake is completely cool, very carefully peel off the cooking sheet, and then place it back on top.
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17
Spread the cake with your favorite filling, and roll it up from the side (the shorter side) carefully.
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18
Wrap it up in plastic wrap after rolling, and let sit in the fridge until the cream filling settles.
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19
Let it rest for 2 (if you are in a hurry) to 5 hours.
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20
Decorate ithe cake in any way you like, and it is done.