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Blackberry cupcakes with a chocolate cupcake bottom and a rich blackberry buttercream is the cupcake of choice in our house. You can top lemon, vanilla or chocolate cupcakes with this blackberry buttercreamโ€”itโ€™s your choice! This recipe makes 4 cupcakes, but can be doubled or tripled easily.

Four chocolate blackberry cupcakes on a white plate.

Chocolate cupcakes with fresh blackberry buttercream:

Yes yes, these cupcakes are absolutely beautiful. But, I promise the taste and the appearance line up. You can frost these blackberry cupcakes with a butter knife, and the rustic appearance would never detract from the incredible flavors.

My daughterโ€™s first taste of a sugar was at her 2nd birthday, where I made her my Texas Chocolate Sheet Cake with a triple batch of this blackberry buttercream slathered on top. Camille has always loved blackberries, and it seemed natural to work blackberries into her cake. After tasting the combination of chocolate and blackberries, I knew this recipe would become a family favorite!

The chocolate cupcake is moist, rich, and packed with chocolate flavor. Instead of using cocoa powder, weโ€™re going to melt chocolate into oil to use as the chocolate base for this cupcake. Cocoa powder is great, but using melted chocolate in a cupcake really makes these next level.

Two chocolate cupcakes with purple frosting and fresh blackberries.

Excuse me while I preach about how cupcakes made with oil, so hear me out, okay? I always make cupcakes with oil so that theyโ€™re more tender, fluffy and softer. Cupcakes made with butter can be firm on the edges, which is something I do not prefer. If you refrigerate cupcakes that are made with butter, they will become hard and strange.

I will walk you through the steps of melting chocolate in the microwaveโ€”itโ€™s very simple! And, Iโ€™ll give you alternate directions if youโ€™d like to use the stove instead.ย 

For the chocolate, grab your favorite semisweet chocolate bar and give it a chop. It can be a baking bar, or it can be a bar with around 60% cacao. Dark chocolate or bittersweet chocolate might be a little too dry here, so look for anything from 35-60% cacao.

Wow, this beautiful purple blackberry buttercream deserves our attention, doesnโ€™t it? My favorite thing about this frosting is that it uses FRESH BLACKBERRIES. Weโ€™re using the beaters to break up the fruit, and the beautiful blackberry juice stains the buttercream a lovely violet color. This means the frosting has seeds, so if that bothers you, push the blackberries through a strainer that drips into the bowl with the butter. You might also like my strawberry cream cheese frosting.

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Ingredients:

Semisweet Chocolate. This is chocolate with a cacao percentage between 35 and 60%. Anything higher than 60% might make these cupcakes a little too dry. Use a semisweet chocolate baking bar or semisweet chocolate chips.

Oil. A neutral oil that does not have any flavor is best for baking: vegetable oil, canola oil, grape seed oil, or avocado oil. Do not use something with a strong flavor like olive oil.

Granulated Sugar.

Vanilla Extract.

Egg.

Flour.

Baking Powder.

Salt.

Unsalted Butter.

Powdered Sugar.

Almond Extract.ย  Just one drop of almond extract brings out the flavor of the blackberries.

Fresh Blackberries. About 12-15 fresh blackberries that have been rinsed and dried very well.

Lime. Weโ€™re using lime zest to make the blackberry flavor pop, and if you feel that your buttercream needs some extra liquid to come together, cut open the lime and use a splash of the lime juice. Blackberries and lime juice go together very well, just like my frozen blackberry limeade recipe.

How to make blackberry cupcakes:

  1. Gather your ingredients: chopped chocolate, oil, flour, baking powder, sugar, one egg, and vanilla extract. This is all you need for the cupcakes. The butter, powdered sugar, almond extract, blackberries, and lime are for the blackberry buttercream frosting. Preheat the oven to 350-degrees Fahrenheit, and place 4 cupcake liners in a muffin pan.
    Ingredients to make a small batch of chocolate cupcakes on white table.
  2. First, weโ€™re going to melt the chocolate into the oil. Chop the chocolate into pieces no larger than one inch. Combine the chocolate with the oil in a microwave-safe bowl, and microwave on LOW power for 30 seconds. Give it a stir, and repeat until all of the chocolate is melted; be sure to stir between each microwave pulse.ย 
    Chopped chocolate and oil in glass bowl.
    Melted chocolate in bowl with whisk.
  3. Let the chocolate cool slightly by stirring it to release some of the heat. Then, add the sugar and vanilla and whisk to dissolve into the chocolate. This also helps the mixture cool off.
    Sugar whisking into melted chocolate.
  4. Whisk the whole egg into the bowl.
    Egg mixing into chocolate batter.
  5. Sprinkle the flour, baking powder, and salt evenly over the chocolate mixture, and then whisk until everything is combined. Donโ€™t over-mix, but do ensure all of the flour is coated.
    Dry ingredients going into chocolate cupcake batter.
  6. Divide the cupcakes between the cupcake liners, and then bake for 20-25 minutes. Use a toothpick at the 20-minute mark to ensure the cupcakes are fully cooked. The toothpick will have moist crumbs clinging to it, but it shouldnโ€™t show any wet batter.
    Small cupcake pan with 4 holes filled.
  7. Let the cupcakes cool completely before attempting to frost. Warm cupcakes and cakes melt buttercream, and you really donโ€™t want that! You want perfect blackberry cupcakes, so be patient.
    Freshly baked chocolate cupcakes in pan.
  8. Now, itโ€™s time to make the blackberry buttercream: in a large bowl, beat together with an electric mixer the butter, almond extract, and lime juice. (Beating the lime zest into the butter ensures that the lime oil gets evenly incorporated).
    Ingredients for blackberry buttercream.
    Lime and butter in clear bowl.
  9. Add the powdered sugar, and beat to combine.
    Powdered sugar in bowl with butter and lime zest.
  10. Add the blackberries and beat, using the electric mixer to break up the berries. If you donโ€™t want seeds in your blackberry buttercream, instead, push the blackberries through a strainer into the bowl.
    Fresh blackberries going into buttercream frosting.
  11. Add a few drops of lime juice to the buttercream, and beat very well. Taste and add more lime juice, if you think it needs it.
    Purple fresh blackberry buttercream frosting.
  12. You can frost the cooled cupcakes with this buttercream, or store it in the fridge or freezer until ready to use. To use, let soften slightly so that itโ€™s a pipe-able consistency. Frost the cupcakes and serve.
Three cupcakes with purple frosting.

Which other cupcake flavors would this fresh blackberry buttercream frosting go with?

While I paired this incredible frosting with chocolate cupcakes today, I can attest itโ€™s great on my small batch lemon cupcakesย (as seen above), or my birthday cake cupcakes. You can double the recipe and smear it on my small vanilla cake, too!

How to double or triple this recipe for blackberry cupcakes:

Yes, this is a small batch chocolate cupcakes recipe, but if you want to make more cupcakes: follow the recipe exactly. Use 3 whole eggs, and triple the amount of all ingredients. Do not change anything else about the recipe.

Single chocolate cupcake with blackberry buttercream and a bite missing.

Other blackberry recipes you would love:

Yield: 4

Chocolate Cupcakes with Blackberry Buttercream

Four chocolate blackberry cupcakes on a white plate.

Four soft and fluffy chocolate cupcakes with beautiful purple fresh blackberry buttercream frosting on top.

Prep Time 30 minutes
Cook Time 20 minutes
Total Time 50 minutes

Ingredients

For the cupcakes"

  • 2 1/2 ounces semi-sweet chocolate, chopped
  • 3 tablespoons canola oil
  • 6 tablespoons unbleached flour
  • 1/2 teaspoon baking powder
  • 1/4 cup sugar
  • 1 large egg
  • 1/4 + 1/8 teaspoon vanilla

For the buttercream:

  • 5 tablespoons unsalted butter, softened
  • 1/2 cup powdered sugar
  • 1 drop almond extract
  • handful clean blackberries (12-15 berries)
  • 1/4 teaspoon lime zest
  • lime juice, to taste

Instructions

  1. Preheat the oven to 350ยฐ. Place 4 paper liners along the outside edge of a cupcake pan. Gather ingredients to make cupcakes. Ingredients to make a small batch of chocolate cupcakes on white table.
  2. Add the chocolate and canola oil to a medium bowl. Melt in the microwave in 30-second intervals. Stir well to ensure every last bit of chocolate melts. Let cool slightly. Chopped chocolate and oil in glass bowl.
  3. Once cool, add the sugar and vanilla and whisk until blended. Sugar whisking into melted chocolate.
  4. Add the egg and whisk to combine. Egg mixing into chocolate batter.
  5. Mix the flour and baking powder together in a small bowl. Add to the chocolate mixture and stir until blended. Dry ingredients going into chocolate cupcake batter.
  6. Divide between the cupcake liners and bake for 20-25 minutes, or until a toothpick inserted comes out clean. Let cupcakes cool completely before frosting. Freshly baked chocolate cupcakes in pan.
  7. To make the buttercream, gather all ingredients. Ingredients for blackberry buttercream.
  8. beat together with an electric mixer the butter, almond extract and lime zest. Lime and butter in clear bowl.
  9. Add the powdered sugar and beat well. Powdered sugar in bowl with butter and lime zest.
  10. Add the blackberries and beat vigorously to break up the berries. (If you donโ€™t enjoy the crunchy seeds, mash the berries in a small bowl and strain before adding to the buttercream). Fresh blackberries going into buttercream frosting.
  11. Add lime juice to taste to bring out the sweetness of the berries. In my opinion, the frosting tastes best if it's allowed to chill in the fridge for a few hours before being spread on the cupcakes. Purple fresh blackberry buttercream frosting.

Notes

Semisweet Chocolate: This is chocolate with a cacao percentage between 35 and 60%. Anything higher than 60% might make these cupcakes a little too dry. Use a semisweet chocolate baking bar or semisweet chocolate chips.

Oil: A neutral oil that does not have any flavor is best for baking: vegetable oil, canola oil, grape seed oil, or avocado oil. Do not use something with a strong flavor like olive oil.

Almond Extract: Just one drop of almond extract brings out the flavor of the blackberries.

Fresh Blackberries: About 12-15 fresh blackberries that have been rinsed and dried very well.

Lime: Weโ€™re using lime zest to make the blackberry flavor pop, and if you feel that your buttercream needs some extra liquid to come together, cut open the lime and use a splash of the lime juice.

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Nutrition Information:

Yield:

4

Serving Size:

1

Amount Per Serving: Calories: 478Total Fat: 31gSaturated Fat: 13gTrans Fat: 0gUnsaturated Fat: 17gCholesterol: 85mgSodium: 84mgCarbohydrates: 49gFiber: 2gSugar: 37gProtein: 4g

Did you make this recipe?

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About Christina Lane

Christina Lane is the author of 5 cookbooks all about cooking and baking for two. She has scaled down hundreds of recipes into smaller servings so you can enjoy your favorite dishes without the leftovers! Valentine's Day is her favorite holiday.

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43 Comments

  1. Karen S. Lance says:

    I also appreciate these small-batch recipes. I cook for myself โ€” why would I want 12 cupcakes, or even 8 cupcakes? These recipes are perfectly sized for those of us who are solo cooks.

  2. Emmi says:

    I am in love with your site!!!!!
    It is just me and my husband and I bake A LOT! Lol.
    So much that my husband struggles to keep up lol oooopsy; my joy of baking seems insatiable lol.
    Utilizing your site will be so rewarding and fun for me! Especially when I get an itch to do homemade desserts!
    Thank you so so much!
    I LOVE ALL things Berry flavored and adding chocolate is so yummy.
    Iโ€™m very happy to be able to try your recipe here.

  3. Crystal says:

    How would I make this for 12 cupcakes

  4. Kimberly says:

    Iโ€™m really excited to make this with my little ones.

  5. Lindsay says:

    What did you top these with? Theyโ€™re so cute!

  6. Fran says:

    The cupcakes turned out perfect except for the icing. I only doubled the recipe but It turned out too runny. Wasnโ€™t able to get it thicker. Looked nothing like the pictures you have. Tasted yummy so Ty.

    1. Brittani says:

      My cupcakes came out more of a brownie than a cupcake. Very dense and fudgy. They are delicious! But not really sure why

      1. Janet says:

        Mine too. But they were so good.

  7. Ali says:

    Hi Christina,

    I made the recipe exactly according to the directions, however I noticed the icing did not seem to really blend together once i put the blackberries in and mixed it with the hand mixer โ€“ it was kind of grainy no matter how much I mixed it, and I even added a little bit of lime juice as you suggest in the recipe. Any thoughts on what might have gone wrong? The only thing I can think of was maybe the icing was too soft?
    Thanks for a great recipe โ€“ I love using blackberries in bakingโ€ฆ
    /Ali

    1. Christina Lane says:

      Grainy, like from the powdered sugar? Or from the seeds of the blackberries?

      1. Ali says:

        I think maybe from the blackberry seeds or perhaps too many blackberries added? It just didnโ€™t blend together well, and was not smooth like the icing in your photos. It still tasted good though.

  8. Logan B says:

    My cupcakes turned out to be more brownie like I feel but over all the taste is wonderful!