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    Home » Cakes + cupcakes

    Published: Apr 3, 2024 · Modified: Apr 3, 2024 by Katie Beck · 6 Comments

    Chocolate loaf cake

    In need of a little rich and decadent chocolate? But kind of want to make something that would appropriate for breakfast or a snack (as in loaf form)? This chocolate loaf cake looks like a sweet bread (making it ok for breakfast or a snack) but tastes like the most decadent and dense chocolate cake. A thick layer of a fudgy sour cream chocolate frosting puts this loaf cake recipe totally over the top.

    Chocolate loaf cake, sour cream fudge frosting, white bowl and glasses in the background

    Sometimes you need a thick, rich full blown chocolate cake or sometimes you need a little chocolate goodness...like a snack cake you can have any time of the day.

    This super simple chocolate loaf cake gives you both of the rich decadence of a big ole chocolate cake with a rich creamy frosting in a loaf form, almost like a breakfast bread.

    The cake itself is dense, made like a pound cake and not too sweet so you really get that deep cocoa flavor. Topped off with a thick super chocolatey slightly tangy sour cream fudge frosting makes you feel like you're eating a restaurant-style chocolate cake. The best of both worlds for sure.

    Jump to:
    • Why you'll love this recipe
    • Ingredients for the cake
    • Ingredients for the sour fudge cream frosting
    • Instructions for the loaf cake
    • Ingredient swaps and variations
    • Tips for success
    • Related
    • Chocolate loaf cake with sour cream fudge frosting
    • Community

    Why you'll love this recipe

    • It is super easy for how decadent it is. This loaf cake has just a few ingredients and yields a super rich cake.
    • This is an unbelievably moist cake. As much as I hate this word, I have to use it. This cake is incredibly moist using sour cream.
    • It is versatile. This cake can be served plain, dusted with powdered sugar, covered with a thin glaze or frosted with a rich chocolate sour cream frosting.
    Slices of chocolate loaf cake stacked on top of each other.

    Ingredients for the cake

    • Butter. Now I am a oil in cakes baker for sure. But this recipe is most similar to a chocolate pound cake, so let's use butter
    • Cocoa powder. I use black dutch processed cocoa powder, but you can definitely used regular dutch process cocoa powder
    • Sugar
    • Eggs
    • Sour cream
    • Flour
    • Baking powder
    • Salt
    Ingredients for a chocolate loaf cake.

    Ingredients for the sour fudge cream frosting

    • Heavy cream
    • Light corn syrup (or golden syrup)
    • Chopped chocolate. A bittersweet or semisweet is best.
    • Sour cream
    • Butter
    • Salt
    Bowl of sour cream fudge frosting in a white bowl with a knife.

    Instructions for the loaf cake

    Making this chocolate loaf cake couldn't be easier. A few simple steps and you'll be ready to bake!

    • Mix all your dry ingredients in a small bowl
    • Cream the butter and sugar until light and fluffy, this will take about 3-4 minutes with a stand mixer (paddle attachment) or a hand mixer. Once light and fluffy, incorporate your eggs one at a time and the vanilla.
    • Turning the mixer to low, alternating between the dry in gredients and the sour cream, add half the dry ingredients, followed by all of the sour cream and then the last half of the dry ingredients. Mix until just combined, being careful not to overmix.
    Dry ingredients in a glass bowl.
    Batter for chocolate loaf cake in a metal bowl.

    Grease your loaf pan and line it with parchment (see pics for what I mean) to ensure you can easily lift in from the pan to cool.

    Chocolate loaf cake batter in prepared loaf pan.
    Baked chocolate loaf cake in a loaf pan.
    Chocolate loaf cake, sour cream fudge frosting being spread with a spatula and a small white bowl on the side.

    Ingredient swaps and variations

    Chocolate cakes are super adaptable and this loaf cake is no exception. Here are some great ideas:

    • Add nuts to the batter of the cake for texture.
    • Add some orange zest to give a hint of citrus
    • Sprinkle the sour cream fudge frosting with toasted coconut
    • Add chocolate chips to the cake for extra chocolatey goodness.
    Slices of chocolate loaf cake on a marble board.

    Tips for success

    • Make sure to use dutch processed cocoa powder. This is a great guide to understanding cocoa powders and how to choose the best one for your recipes. Chocolate loaf cake is leavened with baking powder, which is why the recipe calls for dutch process. And this is the dutch processed cocoa I use (in addition to the black cocoa powder.
    • For the best results make sure all your wet ingredients - sour cream, butter, eggs - our at room temperature. It makes a difference in combining them all.
    • Use full fat sour cream. You want a moist and rich chocolate loaf cake, and you're not going to get it with low fat or fat free anything.

    Related

    Looking for other recipes like this? Try these:

    • 30 creative leftover pulled pork recipes
    • Slice of red velvet bundt cake on plates with a fork.
      Red velvet bundt cake
    • Braised beef shank ragu and pappardelle on a plate with a fork.
      The 15 best ragu recipes for winter
    • Whole turtle pie with whipped cream, a spatula, chocolate ganache bowl and bowl of caramel.
      Turtle pie
    Chocolate loaf cake, sour cream fudge frosting, white bowl and glasses in the background

    Chocolate loaf cake with sour cream fudge frosting

    A rich and decadent chocolate loaf cake covered in an equally rich sour cream fudge frosting is the perfect snack cake you'll be craving!
    Print Recipe Pin Recipe Save to collection
    Prep Time: 15 minutes minutes
    Cook Time: 1 hour hour 25 minutes minutes
    Course: Dessert
    Cuisine: American
    Keyword: chocolate loaf cake
    Servings: 16 slices
    Author: Katie Beck

    Equipment

    • 1 Loaf pan

    Ingredients

    • 1 cup flour
    • ½ cup black cocoa powder
    • ¼ cup dutch process cocoa powder
    • ¾ teaspoon baking powder
    • ½ teaspoon salt
    • 14 tablespoon butter room temp
    • 1 ¼ cup granulated sugar
    • 4 eggs
    • 1 teaspoon vanilla extract
    • 1 cup sour cream

    For the frosting

    • 1 cup heavy cream
    • 3 tablespoons light corn syrup
    • ¼ teaspoon salt
    • 12 ounces bittersweet chocolate chopped
    • ¾ cup sour cream at room temperature
    • 2 tablespoons unsalted butter at room temperature

    Instructions

    For the cake

    • Preheat the oven to 325 degrees F. Grease and line a 9x5 loaf pan with parchment paper.
    • In a bowl, whisk together the flour, both cocoa powders, baking powder, and salt.
    • In the bowl of a stand mixer fitted with the paddle attachment, beat the butter and sugar together for 2-3 minutes until light in color and fluffy.
    • Add your eggs (make sure they are room temperature) one at a time, fully combining after adding each egg. Then add the vanilla extract.
    • Scrape the sides and bottom of the bowl with a spatula. Beginning with the dry ingredients, add half of the dry ingredients on low speed, then all the sour cream until mostly incorporated. Mix in the sour cream until mostly combined. Then, add the remainder of the dry ingredients until everything is fully combined, being careful to not overmix.
    • Pour the cake batter into the greased pan and gently tap to bring any air bubbles to the top. Bake on the middle rack for about 1 hour and 25 minutes. The cake is finished when a toothpick inserted into the middle comes out clean.
    • Transfer to a wire rack and let cool in the pan for 10 minutes. Remove from the pan and cool completely.
    • To make the sour cream fudge.

    For the frosting

    • Bring cream, syrup, and salt to a boil in a large saucepan over medium-high heat. Remove from heat and stir in chocolate, sour cream, and butter. Let sit, stirring occasionally, until chocolate and butter are melted and mixture is smooth and no streaks of white remain. Transfer to a medium bowl. Let frosting sit at room temperature, stirring every once in a while.
    • The frosting will look gross at first, but don't freak out - it will thicken and become shiny and spreadable in like an hour or so. Keep stirring until smooth. It should be the consistency of sour cream; if not, chill another 5 minutes and stir.

    Notes

    Store this loaf cake in an air tight container for up to three days. You can also tightly wrap and freeze the cake WITHOUT the sour cream fudge frosting for up to three months.

    Nutrition

    Calories: 450kcal | Carbohydrates: 40g | Fat: 31g
    Tried this recipe?Let us know how it was!

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    Reader Interactions

    Comments

    1. Winnie says

      April 04, 2024 at 10:24 pm

      Second thing i have tried here and it was really good! Very dense and chocolate flavor. perfect for a quick slice snack

      Reply
    2. Anonymous says

      April 07, 2024 at 8:18 am

      Can I use buttermilk in place of sour cream?

      Reply
    3. Jenny says

      April 14, 2024 at 1:10 am

      Can I use regular plain yogurt instead of sour cream?

      Reply
      • Katie Beck says

        April 16, 2024 at 9:37 am

        Hi Jenny! For sure!

        Reply
    4. Max says

      September 05, 2024 at 6:38 pm

      5 stars
      Your blog post was like a warm hug on a cold day. Thank you for spreading positivity and kindness through your words.

      Reply
    5. Jeff says

      September 27, 2024 at 11:51 am

      5 stars
      This was really easy and really good. Not too sweet and perfect for a sweet snack.

      Reply
    5 from 2 votes

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