How To Make Butter Cake Marble ?

 Marble Pattern Butter Cake

Source @fen.z

Ingredients:
350g unsalted butter ( me 175 blueband 175 cold butter)
180g confectioners sugar
2 tbsp sweetened condensed milk
2 tbsp rum (optional) me skip
1 tbsp vanilla extract
1/2 tsp salt
10 large egg yolks (@20g)
250g cake flour, sifted
25gmilk powder, sifted
4 egg whites (160g)
60g caster sugar


For chocolate batter:
10g chocolate powder, sifted
1 tsp chocolate emulco


For mocca batter:
1 tbsp mocca emulco


Method:
1. Preheat oven to 170°c. Grease a 9 inch round cake pan with butter and cover with thin dust of flour to prevent sticking.
2. Beat butter and sugar beat until creamy at medium speed for about 5 minutes. Add condensed milk, vanilla extract and rhum, beat until pale and fluffy.
3. Add egg yolks, one at a time beating thoroughly after each addition. Add in sifted flour beat to combine.
4. Place egg white in a mixng bowl, beat until soft foam, add in sugar and beat till soft peak. ( me hard peak )
5. Gently fold in egg whites with spatula into the butter mixture, mix until combine. Do not over mix.
6. Divide the butter into 2 portions, around @600g. One portion leave plain. To one portion divide into 2 portion for chocolate and mocca batter @300g. Add chocolate powder and emulco in one portion of 300g batter mix until well incorporated.
Another 300g batter, add in flour and mocca emulco mix until well incorporated.
7. Add in 200g of plain batter in a middle of the pan. Follow by 100g of chocolate batter and 100g of mocca batter
.
Add in 160g plain batter, 80g chocolate n mocca batter
Add in 120g plain batter, 60 chocolate n mocca butter
Add in 80g plain batter 40g chocolate n mocca butter
Add in 60g plain batter, 20g chocolate n mocca butter.
8. Bake in the preheated oven for about 60 -70 or until the skewer insert comes out clean.
10. Leave cake to cool in pan for 5 minutes, then turn out cake into cooling rack