Ingredients
For the Cupcakes:
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1 ½ cups (190g) all-purpose flour
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1 cup (200g) granulated sugar
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¼ cup (25g) unsweetened cocoa powder
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½ teaspoon (2.5g) baking soda
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¼ teaspoon (1.25g) salt
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½ cup (120ml) vegetable oil
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½ cup (120ml) buttermilk
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2 large eggs
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1 teaspoon (5ml) vanilla extract
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Purple food coloring (adjust for desired shade)
For the Blackberry Buttercream Frosting:
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½ cup (115g) unsalted butter, softened
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2 ½ cups (300g) powdered sugar, sifted
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½ cup (70g) fresh blackberries, cooked and mashed into puree
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1 teaspoon (5ml) vanilla extract
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¼ cup (60ml) heavy cream, whipped to stiff peaks
Instructions
For the Cupcakes:
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Preheat the oven to 350°F (175°C). Line a cupcake tin with paper liners.
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In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, and salt.
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In a separate bowl, whisk together the vegetable oil, buttermilk, eggs, and vanilla extract.
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Gradually add the wet ingredients to the dry mixture, stirring until just combined.
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Add purple food coloring, mixing until you achieve your preferred shade.
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Fill each cupcake liner about two-thirds full with batter.
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Bake for 18-20 minutes, or until a toothpick inserted into the center comes out clean.
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Let the cupcakes cool completely before frosting.
For the Blackberry Buttercream Frosting:
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In a small saucepan, cook the blackberries over medium heat until they soften and release their juices. Mash into a puree and strain to remove seeds, if desired. Allow the puree to cool completely.
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In a mixing bowl, beat the softened butter until light and fluffy.
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Gradually add the sifted powdered sugar, beating until the mixture is smooth and airy.
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Stir in the cooled blackberry puree and vanilla extract until fully incorporated.
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In a separate bowl, whip the heavy cream to stiff peaks.
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Gently fold the whipped cream into the buttercream mixture, ensuring a smooth, creamy consistency.
Assembly:
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Transfer the frosting into a piping bag fitted with a star tip.
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Pipe swirls of frosting onto each cooled cupcake.
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Garnish with a fresh blackberry on top for an extra touch of elegance.
Enjoy these beautifully vibrant Purple Velvet Cupcakes with their luscious blackberry buttercream frosting! 💜✨