1. Prepare Your Oven and Muffin Tray

Start by preheating your oven to 350°F (175°C). Line a standard muffin tin with cupcake liners. This step ensures even baking and easy removal later. Preparing your pan ahead of time helps maintain the batter’s structure once mixed.

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2. Cream the Butter and Sugars

In a large mixing bowl, combine the softened butter, granulated sugar, and brown sugar. Using a hand mixer or stand mixer, beat the mixture until it becomes light, fluffy, and pale in color.

This step is crucial because it incorporates air into the batter, which contributes to a soft and tender cupcake texture.

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3. Add the Egg and Vanilla Extract

Add the egg to the creamed mixture and mix until fully incorporated. Then add the vanilla extract and mix again.

Make sure to scrape down the sides of the bowl to ensure everything is evenly combined. This step builds the base flavor and structure of the cupcakes.

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4. Incorporate the Cocoa Powder and Espresso Powder

Add the cocoa powder and instant espresso powder to the wet mixture. Mix until fully combined.

The espresso powder does not make the cupcakes taste like coffee. Instead, it enhances the chocolate flavor, making it deeper and more intense.

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5. Combine the Dry Ingredients Separately

In a separate bowl, whisk together:

• All purpose flour
• Baking powder
• Baking soda
• Salt

Mixing the dry ingredients separately ensures even distribution of leavening agents, which helps the cupcakes rise properly.

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6. Alternate Adding Dry Ingredients and Buttermilk

Gradually add the dry ingredients to the batter in batches, alternating with the buttermilk.

Start with a portion of the dry mixture, mix gently, then add some buttermilk. Continue this pattern until everything is combined.

Do not overmix at this stage. Mix just until you no longer see dry flour. Overmixing can result in dense cupcakes.

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7. Fill the Cupcake Liners

Spoon the batter into the prepared cupcake liners, filling each about two-thirds full. This allows enough room for the cupcakes to rise without overflowing.

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8. Bake to Perfection

Place the tray in the preheated oven and bake for about 18 to 22 minutes.

To check doneness, insert a toothpick into the center of a cupcake. If it comes out clean or with a few moist crumbs, they are ready.

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9. Cool Completely Before Serving

Remove the cupcakes from the oven and allow them to cool in the pan for a few minutes before transferring them to a wire rack.

Let them cool completely before frosting or serving. This helps maintain their structure and prevents melting any toppings.