"Covered in homemade buttercream, this chocolate and vanilla swirled Zebra Cake is a moist marble cake that's hard to resist!..."
INGREDIENTS
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2 1/4 cups (293g) all purpose flour
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2 1/2 tsp baking powder
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1/2 tsp salt
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1/2 cup (112g) unsalted butter, room temperature
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1/2 cup vegetable oil
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1 1/2 cups (310g) sugar
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4 large eggs
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1 tbsp vanilla extract
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1 cup (240ml) buttermilk*
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5 oz bittersweet chocolate (60% cacao), chopped**
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1/2 tsp black gel icing color
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2 1/2 cups (560g) butter
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9 cups (1035g) powdered sugar
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2 tsp vanilla extract
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6–8 tbsp (90-120ml) water/milk
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1 cup (114g) natural unsweetened cocoa powder
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Black gel icing color