"This delicious chocolate walnut cake is incredibly moist, fluffy, and chocolatey! It's topped with a remarkably decadent fudge frosting!..."
INGREDIENTS
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¼ cup + 1 teaspoon (28g / 1 oz) unsweetened cocoa powder
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½ cup (125ml / 4 fl oz) hot strong coffee (or hot water)
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1 cup (127g / 4.5oz) all-purpose flour
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1 cup (200g / 7oz) sugar
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½ teaspoon baking powder
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1 teaspoon baking soda
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¼ teaspoon salt
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1 medium egg, room temperature
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½ cup (125ml / 4 fl oz) milk
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¼ cup (60ml / 2 fl oz) light vegetable oil
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½ cup (65g / 2.3 oz) chopped walnuts + 1-2 tablespoons extra for garnish
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4.4 oz / 125g semisweet chocolate
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⅔ cup (150g / 5.29 oz) unsalted butter, room temperature
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¾ cup + 1½ tablespoons (120g / 4.2 oz) powdered sugar
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2 ½ tablespoons unsweetened cocoa powder
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½ tablespoon milk