Decadent Butterfinger Cupcakes

The smell of these cupcakes baking always transports me back to my college apartment kitchen, where I once tried to impress my roommates with what I called "fancy baking" but was really just me experimenting with candy bars and cake mix. They turned out surprisingly decent that first time, though I definitely overfilled the liners and ended up with chocolate cupcake volcanoes all over the oven floor. Now that I have the real recipe down, these have become my go-to for birthdays, office parties, and those random Tuesdays when nothing but chocolate and peanut butter will fix what needs fixing.

I made these for my nephews birthday last year and watched him literally do a happy dance when he bit into the first one, which is basically the highest compliment a six year old can give. His mom asked for the recipe before the party even ended, and now shes the one bringing Butterfinger cupcakes to every family gathering. Theres something magical about serving a treat that makes people close their eyes and do that little happy food wiggle.

Ingredients

• All-purpose flour: The foundation of your cupcake structure, sift it first for an extra light and tender crumb
• Unsweetened cocoa powder: Use a good quality brand here since its the main flavor player in your chocolate base
• Granulated and light brown sugar: The combination gives you sweetness plus that subtle molasses depth brown sugar brings to the table
• Unsalted butter: Always use room temperature ingredients for cupcakes that bake up evenly and taste properly rich
• Hot brewed coffee: This secret ingredient intensifies the chocolate flavor without making the cupcakes taste like coffee at all
• Creamy peanut butter: Go for a mainstream brand rather than natural for the smoothest filling and frosting texture
• Butterfinger candy bars: Crush them into different sizes, fine for the frosting and chunky for that perfect garnish crunch

Instructions

Preheat your oven and prep the pan:

Set your oven to 350°F and line a 12 cup muffin tin with liners, taking care to get them centered in each cup.

Mix your dry ingredients:

Whisk together the flour, cocoa powder, both sugars, baking soda, baking powder, and salt in a large bowl until well combined.

Combine the wet ingredients:

In a separate bowl, mix melted butter, eggs, and vanilla, then stir in the milk and hot coffee until everything is incorporated.

Bring batter together:

Pour your wet mixture into the dry ingredients and mix just until combined, being careful not to overmix which can make tough cupcakes.

Fill and bake:

Divide the batter among your cupcake liners about two thirds full and bake for 16 to 18 minutes until a toothpick comes out clean.

Cool completely:

Let them rest in the pan for 5 minutes before moving to a wire rack, because patience pays off with evenly cooled cupcakes.

Make the peanut butter filling:

Beat together the peanut butter and softened butter until smooth, then add powdered sugar and milk until creamy and combined.

Core and fill:

Use a small knife or cupcake corer to remove the center of each cooled cupcake about one inch deep and fill with peanut butter mixture.

Prepare the frosting:

Beat butter until creamy, add powdered sugar, peanut butter, cream, and vanilla, then fold in crushed Butterfinger until fluffy.

Decorate and serve:

Frost generously and sprinkle with chopped Butterfinger pieces, pressing them gently into the frosting so they stick.

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My friend Sarah requested these for her wedding instead of a traditional cake, and seeing guests light up when they realized what was inside the chocolate exterior was absolutely priceless. Theres something about biting into what looks like a regular cupcake and finding that surprise peanut butter center that makes people feel like kids again.

Making These Ahead

You can bake the cupcakes up to two days in advance and store them in an airtight container at room temperature. The filling and frosting are best made the day you plan to serve, but both can be prepared a day ahead and kept refrigerated, then brought to room temperature before using.

Getting The Right Consistency

If your frosting feels too stiff to pipe smoothly, add heavy cream one teaspoon at a time until you reach that perfect spreading consistency. Conversely, if it is too soft, chill it for 15 minutes or add a tablespoon more powdered sugar to help it hold its shape beautifully.

Serving Suggestions

These cupcakes are rich enough to stand on their own, but they pair wonderfully with a cold glass of milk or a hot cup of coffee. I have found they make an incredible dessert after a lighter meal like grilled chicken and salad, since the sweet and salty combination really shines when you are not already overly full.

• Serve them at room temperature for the best texture and flavor experience
• Use a piping bag with a large star tip for that professional bakery look
• Keep any leftovers covered to maintain that perfect frosting texture

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Every time I serve these, someone inevitably asks for the recipe, and that is pretty much the highest compliment a home baker can receive. Enjoy making these for the people you love, and watch them do that little happy food wiggle too.

Recipe FAQs

→ Can I make these cupcakes ahead of time?

Yes, bake the cupcakes up to one day in advance. Store in an airtight container at room temperature. Fill and frost on the day of serving for the freshest texture and crunch.

→ How do I store leftover Butterfinger cupcakes?

Keep filled and frosted cupcakes in an airtight container at room temperature for up to 2 days. For longer storage, refrigerate for up to 5 days, though the candy pieces may soften slightly.

→ Can I use natural peanut butter instead of creamy?

Creamy commercial peanut butter works best for smooth texture. Natural peanut butter may cause the filling and frosting to separate or become too soft. If using, add additional powdered sugar to achieve proper consistency.

→ What if I don't have a cupcake corer?

A small paring knife works perfectly. Gently cut a circular cone shape from the center of each cooled cupcake, about 1 inch deep. Reserve the removed cake pieces if needed to cover the filling, though these taste great without.

→ Can I substitute the Butterfinger candy bars?

Try crushed Reese's cups, chopped peanut butter cups, or even chopped Snickers for similar crunch and flavor. The total weight should remain approximately 1 cup for the frosting and ¼ cup for garnish.

→ Why add coffee to chocolate cupcakes?

Coffee intensifies chocolate flavor without adding a coffee taste. The acidity and depth enhance cocoa powder richness, creating a more complex, moist chocolate cupcake. Hot coffee helps bloom the cocoa for better flavor extraction.