chocolate oreo blackberry cake

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I know there are bakers out there who are sad when their birthday rolls around and none of their friends offer to bake them a cake, because their friends are all used to the baker making the cakes. Or maybe their friends don’t feel like their cake could ever live up to one of the baker’s cakes. But even if the baker is the one known for their delicious and beautiful birthday cakes, a birthday cake is more than dessert, it’s a gift, so I understand why people are disappointed when no one makes them one.

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But I am not one of those bakers. Without family or a large group of friends nearby, my opportunities to make dramatic layer cakes are few and far between. My birthday is one of those rare chances, and I soak it up for all its worth. For me, letting me bake my own cake is the gift.

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This year, I did have someone to share that cake with, when my family celebrated my birthday on vacation last week on the beach in Mexico. Vacation baking holds its own challenges, but I can adapt. I did as much as possible at home – mixing up the dry ingredients, measuring and crushing the oreos, and making and freezing the buttercream. The cake itself is an easy one to mix up, no mixer required, but the swiss meringue buttercream needed to be re-whipped after defrosting to restore its smooth and airy texture. My original intention was to smooth the buttercream over the top and sides of the cake and coat the cake with a glossy and dramatic chocolate glaze, but with the scalloped edges of the disposable pans I baked the cakes in, that seemed like a messy prospect. Fortunately, I love the look of an open-sided cake like this.

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With eight people to share it with, this cake went fast! It probably doesn’t hurt that chocolate and berries are such a great flavor combination, not to mention that everyone loves moist cake and fluffy frosting. And the best part is that, since my family celebrated early and this cake was gone by my actual birthday, I get to make another cake just for me!

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One year ago: Pesto
Two years ago: Banana Peanut Butter Muffins
Three years ago: Lemon Meringue Cake
Four years ago: Black (and Pink) and White Chocolate Cake

Printer Friendly Recipe
Chocolate Oreo Blackberry Cake (cake adapted from Dessert for Breakfast; buttercream adapted from Martha Stewart)

Makes one three-layer 8-inch cake

Note that the 8 ounces of blackberries is before straining. You should end up with about ¾ cup (which is 6 ounces both by weight and volume) of puree.

Cake:
2 cups (8 ounces) cake flour
2 cups (14 ounces) sugar
1 cup (4 ounces) Dutch-processed cocoa powder
1 teaspoon table salt
1 teaspoon baking powder
1 teaspoon baking soda
2 eggs, room temperature
½ cup vegetable oil
1 cup milk, room temperature
1 cup hot coffee

Buttercream:
8 ounces (by weight; about 1¼ cups) blackberries, pureed and strained
3 egg whites
1 cup (7 ounces) sugar
pinch salt
18 tablespoons (2¼ sticks) unsalted butter, at room temperature

For assembly:
18 Oreos, coarsely chopped or crumbled

1. For the cake: Adjust a rack to the middle position and heat the oven to 350 degrees. Grease and flour three 8-inch round pans.

2. In a large bowl, mix the flour, sugar, cocoa, salt, and baking powder, and baking soda. In a separate bowl, mix the eggs, oil, and milk. Pour the wet ingredients into the dry ingredients and whisk until evenly distributed. Pour in the coffee and mix until smooth.

3. Divide the batter evenly between the prepared pans. Bake for 25 to 35 minutes, until a toothpick inserted into the center of a cake comes out clean. Transfer to a wire rack and let the cakes cool for 10 minutes. Use a knife to loosen the sides of the cakes from the pans, then invert the cakes onto the wire rack and remove the pans. Cool completely before frosting.

4. For the buttercream: Combine the egg whites, sugar, and salt in a heatproof mixer bowl set over a pot of simmering water. Whisk until the sugar dissolves and the mixture registers 160 degrees on an instant-read thermometer. Remove the bowl from heat and attach it to a mixer fitted with the whisk attachment. Beat on medium-high speed until stiff peaks form and the mixture has cooled to room temperature, about 8 minutes. Reduce the speed to medium and add the butter, 2 tablespoons at a time, beating after each addition. With the mixer on low, add the strained blackberry puree, mixing just until incorporated. Use immediately, or cover and refrigerate for up to 3 days. (Bring to room temperature, and beat on low speed until smooth before using.)

5. To assemble the cake: If necessary, trim the top of each layer to make a flat, even surface. Transfer one layer to a cake plate or large platter. Spread one-third of the buttercream over the cake, then distribute one-third of the crushed cookies evenly over the buttercream. Repeat the layering of cake, buttercream, and oreos twice more. Serve immediately or loosely cover for up to 8 hours.

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Comments

  1. WHOA.

    *wipes drool off chin*

    Happy birthday!!!

  2. Blackberries and oreos? Heck yes! I think the Oreo people need to take a hint and made blackberry filled oreos.

  3. treewhisperer says:

    Happy Birthday, B! With blackberries coming into season, I will find someone’s birthday as an excuse to make this cake for them!

  4. This looks flippin’ awesome. Combined with getting to eat it in Mexico? Even better. I love it! Happy belated birthday, dear :)

  5. Omg! Totally agree with you about the cake thing,I LOVE making cakes on my birthday! And everybody else’s birthday or anyway for a matter of fact…! And in Mexico, who wouldn’t!! I just wrote a post on birthdays, since I am prepping to make the epic cake for my dad’s birthday. Saving this recipe, when I find blackberries, will make it!

    -The Princess

  6. Linda says:

    This cake looks as good as it tasted. It is always so special to be able to celebrate your birthday with you and to allow you to make your own cake so I don’t have to decorate one for you. This cake was almost as good as chocolate raspberry cheesecake. Since you got a present a day for the week it was really a birthday week, not just a day.

  7. Happy belated birthday, Bridget! This cake looks awesome, but enjoying it with family in Mexico would make it even better. Cheers to a fantastic year!

  8. Hillary! says:

    That cake = the cake of my dreams. Also, I love that you photographed it on such a strong-colored plate! Very cool.

  9. Patty Jar says:

    Me gusta!!!

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