"A decadent black magic chocolate cake with a rose buttercream filling and chocolate marshmallow buttercream frosting. Perfect for any celebration...."
INGREDIENTS
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3 oz (85 g) bittersweet chocolate
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1 cup (240 mL) freshly brewed coffee, hot
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1 cup (240 mL) buttermilk
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½ cup (120 mL) canola oil
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3 large eggs, room temperature
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2 tsp vanilla extract
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2 cups (284 g) all purpose flour
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2 cups (396 g) sugar
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¾ cup (75 g) Dutch process cocoa powder
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2 tsp baking soda
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1 tsp baking powder
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1 tsp salt
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1 envelope (2¼ tsp) gelatin powder
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¼ cup (60 mL) cool tap water to bloom the gelatin
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1 tbsp vanilla extract
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¾ cup (180 mL) water for the sugar syrup
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¾ cup + 2 tbsp (300 mL) light corn syrup
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2 cups (400 g) sugar
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½ tsp kosher salt
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20 oz (566 g) unsalted butter, soft but cool
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12 oz (340 g) dark or milk chocolate, melted
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1½ cups (330 g) unsalted butter, softened
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4 cups (480 g) confectioners’ sugar, sifted
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2-3 tablespoons milk
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1 teaspoon pure vanilla extract
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½ teaspoon rosewater
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pinch of salt
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pink food coloring gel, optional