
Few treats match the comfort or visual wow of homemade cupcakes packed with bold dark chocolate and bursts of juicy blackberry. This recipe brings together rich cocoa flavors and a pop of tart berries for irresistible bakery-worthy results every time your sweet tooth calls.
I reach for these during special gatherings and any time berry season rolls around and I am always delighted seeing friends savor that first bite.
Ingredients
- All-purpose flour: This creates the base and helps cupcakes hold shape Use a fresh bag for best rise
- Unsweetened cocoa powder: Opt for Dutch-processed for a deeper flavor and color
- Baking powder: Find one that is aluminum-free for clean taste
- Baking soda: An active box ensures a nice tender crumb
- Salt: I use fine sea salt for even mixing and no harsh aftertaste
- Granulated sugar: White sugar gives consistent sweetness and helps bond the batter light
- Eggs: Look for large grade AA for better structure and flavor
- Sour cream: Use full fat for rich taste and soft texture
- Vegetable oil: Neutral oils like sunflower or canola keep the crumb moist and let chocolate shine
- Fresh blackberries: Rinse well and pick over so only the firmest go in each cupcake
- Dark chocolate chips: Check the ingredient label for real cocoa butter for that melt-in-your-mouth experience
- Powdered sugar: Organic is my pick for silky smooth frosting
Instructions
- Preheat the Oven:
- Set your oven to 350°F or 175°C Place a rack in the center for even baking
- Prepare Your Pan:
- Line a twelve-cup muffin tin with paper liners This keeps the cupcakes tender and easy to remove
- Mix the Dry Ingredients:
- In a medium bowl whisk together flour cocoa powder baking powder baking soda and salt until uniform This ensures there are no clumps and each cupcake gets the perfect bite
- Beat Sugar and Eggs:
- In a large bowl whisk sugar and eggs together Use medium speed and keep going until the color goes pale yellow and the mixture is pillowy This step makes the cupcakes extra fluffy
- Incorporate Sour Cream and Oil:
- Whisk sour cream and oil into the egg mixture These keep the cupcakes tender and help with a moist crumb
- Combine Wet and Dry Mixtures:
- Gently stir your dry ingredients into the wet Avoid overmixing just enough so you see the last specks disappear This keeps the cupcakes from getting tough
- Fold in Blackberries and Chocolate Chips:
- Use a soft spatula to fold blackberries and chocolate chips in so the berries stay whole and the chocolate is evenly distributed
- Fill the Liners:
- Spoon batter into each lined cup filling no more than two thirds full to prevent overflow when baking
- Bake:
- Slide tin into the oven and bake for eighteen to twenty minutes Use a toothpick to check for doneness It should come out with no wet batter
- Cool the Cupcakes:
- Let cupcakes sit five minutes in the tin before transferring to a rack to cool This helps finish the bake and prevents sogginess
- Frost and Garnish:
- Mix powdered sugar with a trickle of water until glossy and pourable Drizzle over cooled cakes and top with a few glistening blackberries

I am always charmed by the deep flavor quality of good dark chocolate pairs beautifully with tart blackberries That first bite reminds me of backyard summer picnics when my siblings and I would raid the wild berry bushes then rush the berries straight to the kitchen
Storage Tips
Store cooled cupcakes in an airtight box on the counter if eating within two days If you added frosting or berries on top store in the fridge for freshness If freezing cake bases wrap each tightly in plastic and they will keep for up to three months Bring to room temperature and finish with powdered sugar and berries just before serving
Ingredient Substitutions
If blackberries are out of reach try raspberries or chopped cherries Greek yogurt stands in well for sour cream Dark cocoa powder can be used instead of Dutch for a more robust flavor If you are dairy free use coconut yogurt in the batter
Serving Suggestions
Pile cupcakes on a platter with extra fresh berries on the side A generous dusting of cocoa powder can be swapped for the drizzle Serve slightly warmed with a scoop of vanilla ice cream for a dinner party dessert
Cultural and Seasonal Adaptations
Cocoa and fruit desserts are a classic European combo Using local berries makes these cupcakes perfect for regional celebrations Spring brings extra juicy blackberries but frozen berries work if you thaw and drain them first This recipe adapts easily so you can celebrate berry season all year

Dark chocolate blackberry cupcakes are a showstopper for every season and every baker of any experience. They disappear fast every time you set a tray out—make an extra batch and tuck a few away before sharing the rest.
Common Recipe Questions
- → How do you ensure moist cupcakes?
Using sour cream and oil helps keep the cupcakes moist while preventing them from drying out during baking.
- → Can I substitute frozen blackberries?
Yes, but thaw and blot them dry first to prevent excess moisture in the batter.
- → What type of cocoa powder works best?
Unsweetened natural cocoa powder gives the richest chocolate flavor suitable for these cupcakes.
- → How should I decorate the cupcakes?
Drizzle with powdered sugar frosting and top with additional fresh blackberries for a beautiful finish.
- → Are chocolate chips necessary?
Chocolate chips add pockets of melted chocolate, but you can omit or replace them based on preference.