Fresh Blackberry Cake

Featured in Sweet Treats to Satisfy Any Craving.

This soft, berry-filled cake is made with pureed blackberries for both flavor and color, topped with creamy, tangy frosting. Great summer treat!

Barbara Chef
Updated on Tue, 08 Apr 2025 01:25:15 GMT
A decorative plate shows a vibrant purple slice of cake coated in cream frosting and topped with blackberries. Extra berries are set nearby. Pin it
A decorative plate shows a vibrant purple slice of cake coated in cream frosting and topped with blackberries. Extra berries are set nearby. | cookwithcarla.com

I whipped up this Blackberry Cake when I spotted wild berries growing by our house, and it's now our go-to treat during berry season. The way the fresh blackberry mixture naturally turns everything purple and keeps the cake super juicy works like magic. It turns regular moments into something really special whenever we serve it.

Irresistible Summer Berry Delight

There's something truly special in the mix of juicy blackberries with creamy butter and sweet sugar in this cake. You'll taste the perfect mix of natural fruit with hints of warm cinnamon in every bite. The tangy cream cheese topping pairs so well with the sweet berry base that everyone always wants another piece.

Straight From My Home

  • Real Blackberries: Turn 1½ cups into a smooth mix.
  • Creamy Butter: Get 1 cup nice and soft for easy blending.
  • White Sugar: Add 2 cups to wake up the sweetness.
  • Room-temp Eggs: Have 4 whites ready for extra fluff.
  • Soft Flour: Use 2½ cups cake flour for a tender bite.
  • Warm Cinnamon: Just ½ teaspoon adds that homey touch.
  • Lift Helpers: Don't forget fresh baking powder and soda.
  • Rich Milk: Pour in ¾ cup for the right feel.
  • Tangy Topping: Mix 8 ounces cream cheese with sugar and vanilla for that dreamy finish.
A slice of purple berry cake topped with blackberries and white frosting, resting on a decorative plate with a fork nearby. Pin it
A slice of purple berry cake topped with blackberries and white frosting, resting on a decorative plate with a fork nearby. | cookwithcarla.com

Crafting Your Berry Fantasy

Purple Prep
Smooth out your blackberries then take out the seeds and keep all that gorgeous juice.
Powder Mix
Put together your flour with spices and rising stuff so everything stays light.
Creamy Base
Beat your butter and sugar until it looks like clouds then mix in those egg whites and watch everything come together.
Color Change
Mix in your berry juice and enjoy seeing everything turn naturally purple.
Gentle Touch
Fold wet and dry stuff together without overdoing it for the perfect soft texture.
Oven Work
Put your mix in pans and wait till your house smells amazing with berry goodness.
Rest Time
Let everything cool down all the way before you think about adding the topping.

Creamy Topping Joy

Mix up that cream cheese with sugar and vanilla until it's super smooth. I sometimes put in extra berry juice to make the topping naturally pink. A quick cool in the fridge helps it spread nicely between the cake parts.

Lovely Summer Sharing

This cake wants friends around. Top it with some fresh cream and whole berries to make it look even better. It goes great with afternoon drinks or dress it up with cold vanilla ice cream for parties. It's like summer comfort on your plate.

Berry Handling Tricks

You can make this cake a day early and wait to top it until you're ready to serve. Once you've added the topping, it'll stay good in your fridge for about three days. Let it warm up a bit before eating for the best taste. Any leftover berry mix can go in your freezer so you can enjoy this treat anytime.

A slice of purple cake topped with whipped cream and fresh blackberries sits on a white plate. Pin it
A slice of purple cake topped with whipped cream and fresh blackberries sits on a white plate. | cookwithcarla.com

Frequently Asked Questions

→ Can frozen blackberries work?

You’ll get the best texture and moisture using fresh berries. Frozen ones might release extra water, which could mess up the texture.

→ Swap blackberries for other fruit?

Stick with blackberries! Their specific acidity and moisture levels make this cake work. Other fruits may alter the results.

→ Why use bleached cake flour?

This type of flour keeps the cake airy. Regular flours, like all-purpose, tend to make it heavier and less fluffy.

→ How far ahead can I make it?

This cake stays fresh for about 3 days if you wrap it well and keep it at room temp. Hold off on frosting until right before serving for the best texture.

→ Should I strain the blackberry puree?

It’s up to what texture you like! If you prefer no seeds, strain it, but toss in a bit more puree to avoid losing volume.

Blackberry Cake Pureed

This soft blackberry cake stays moist with pureed berries, layered with creamy frosting, making it great for summery gatherings.

Prep Time
20 Minutes
Cook Time
30 Minutes
Total Time
50 Minutes

Category: Desserts

Difficulty: Difficult

Cuisine: American

Yield: 8 Servings (1 single 8-inch cake)

Dietary: Vegetarian

Ingredients

01 Extra fresh blackberries for decorating.
02 1 batch of frosting made with cream cheese.
03 1 1/4 cups of cake flour, must be bleached.
04 1/4 cup egg whites.
05 1/8 teaspoon ground cinnamon.
06 1/4 teaspoon kosher salt.
07 1/4 teaspoon baking soda.
08 1 1/4 teaspoons baking powder.
09 3/4 cup granulated sugar.
10 8 tablespoons of soft unsalted butter.
11 7 ounces of ripe blackberries.

Instructions

Step 01

Blend your blackberries until smooth, strain out seeds if you like, and set aside 6 ounces.

Step 02

Turn the oven to 350°F, grease an 8-inch pan, and add parchment at the bottom.

Step 03

Whip the butter, sugar, and dry mix until fluffy, then slowly mix in the egg whites.

Step 04

Alternate between mixing in blackberry puree and flour bit by bit till combined.

Step 05

Pour batter into the pan and bake for about 30 minutes or until puffed up.

Step 06

Let it sit in the pan for an hour, then remove and let it cool fully.

Notes

  1. Works best only with blackberries.
  2. Stick to using cake flour that’s bleached.
  3. Stays good for 3 days when kept at room temp.

Tools You'll Need

  • An 8-inch cake pan.
  • Mixer with a stand.
  • Blender or processor.
  • Thermometer for precision.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (butter).
  • Includes eggs.
  • Uses wheat flour.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 310
  • Total Fat: 15 g
  • Total Carbohydrate: 42 g
  • Protein: 4 g