Zebra Marble Layer Cake

INGREDIENTS

large eggs (room temperature)

240 g

all purpose flour

2 tsp

baking powder

1/4 tsp

salt

240 g

granulated sugar

150 g

unsalted butter (room temperature)

125 g

sour cream (room temperature)

120 g

buttermilk (room temperature)

15 g

dutch-processed cocoa powder

50 g

all purpose flour

225 g

granulated sugar

390 g

whole milk

1/4

+ 1/8 tsp salt

350 g

unsalted butter (room temperature)

1 tbsp

vanilla extract

150 g

dark chocolate ((min 50% cocoa solids))

150 g

heavy cream

75 g

dark chocolate

75 g

heavy cream