-
1
Sift the flour for the roll cake twice.
-
2
Separate the egg yolks and whites.
-
3
Bring the butter and egg whites to room temperature.
-
4
Place the yogurt in a gauze-lined colander and drain the liquid for one hour.
-
5
Next, make the polka dots.
-
6
In a bowl, mix the butter until soft and whisk in the powdered sugar, egg white and flour in that order.
-
7
Place the batter in two small piping bags and add the food coloring to each.
-
8
Then, cut the tips off the bags.
-
9
Line a baking sheet with parchment paper and using the batter from step 3, pipe out dots of alternate colors.
-
10
They should be about the size of a bean.
-
11
Chill until firm in the refrigerator.
-
12
Next, make the batter for the roll cake.
-
13
Using a hand mixer beat the egg whites and then add the sugar in two batches and beat until soft peaks form.
-
14
Add the egg yolks and continue mixing on low speed for 1 minute.
-
15
Mix in the flour using a rubber spatula by folding in from the bottom.
-
16
Once the flour is incorporated, add the cream and mix until thoroughly combined.
-
17
Pour the batter from step 5 into the baking sheet from step 4 and spread evenly.
-
18
Bake for 12 to 13 minutes in an oven preheated to 180C.
-
19
Once baked, place on a cooling rack with the parchment paper still attached, and let cool.
-
20
Now, make the yogurt cream.
-
21
In a bowl, add the drained yogurt, cream, and sugar.
-
22
Beat with a hand mixer until it forms a thick enough consistency that you could write letters in it.
-
23
Carefully remove the parchment paper from the baked sponge cake and place onto a fresh sheet of parchment paper with the browned side up.
-
24
Spread the cream from step 7 over the entire cake.
-
25
Line pineapple rings which have been cut into 8 pieces across the cake.
-
26
Start to roll the cake from bottom.
-
27
Place the cake with the rolled edge facing down and allow it to rest in the refrigerator for at least 1 hour.
-
28
Remove the cake from the parchment paper, taking care not to disturb the polka-dot pattern.
-
29
Cut into slices however thick you'd like them and enjoy.
-
30
This is what a cross section of the cake looks like Pineapple and yogurt cream really go well together.
