This homemade chocolate fudge frosting has been my secret weapon since the early 1980s, back when shoulder pads were a perfectly reasonable life choice. Dark chocolate, sour cream, and a splash of strong coffee team up to make a silky frosting with outrageously rich chocolate flavor. It doesn't taste like coffee or sour cream… it just tastes like the kind of cake people suddenly get very protective of.
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🥰 Is this chocolate fudge frosting recipe for you?
Make it if you:
- Want one frosting that works on cakes, cupcakes, brownies, and eating straight off the spatula.
- Prefer rich frosting over overly sweet American buttercream.
- Love old-fashioned recipes that have earned a permanent spot in the recipe box.
- Are looking for a chocolate frosting that's silky, fudgy, and easy to spread.
- Would seriously consider arm wrestling your best friend for bowl-licking privileges.
🧾 Ingredients
Every ingredient earned its place in this bowl. Together they create a rich, silky chocolate fudge frosting that's deeply chocolatey without being overly sweet.
- Butter: The foundation of any respectable frosting. Let it come to room temperature so it whips up light and fluffy instead of making you question all your life choices.
- Sour cream: This is the secret weapon. It adds a little tang, keeps the frosting from being cloyingly sweet, and makes the texture unbelievably silky. Use full-fat for the best results.
- Powdered sugar: Just enough to sweeten and stabilize the frosting without turning it into a sugar bomb. Sift it if it's feeling particularly lumpy.
- Hershey's Special Dark Cocoa: I've used Special Dark ever since Hershey's introduced it, and I'm never looking back. It gives the frosting a deep chocolate flavor and that gorgeous dark color. Regular unsweetened cocoa works, but Special Dark is worth hunting down.
- Kosher salt: Just a pinch wakes up the chocolate and keeps all that richness from becoming one-note.
- Strong coffee: No, your frosting won't taste like coffee. It quietly sneaks into the background and convinces the chocolate to become the best version of itself. Brew it double strength for maximum chocolate magic.
- Vanilla: Rounds out the chocolate flavor and ties everything together.
- Dark chocolate: This is where the fudge part earns its name. Use a good-quality dark chocolate bar or dark chocolate chips, melt it until smooth, and try not to eat half of it before it reaches the mixing bowl.
- White corn syrup: Just one tablespoon gives the frosting a beautiful glossy finish and helps keep it smooth and spreadable. It isn't here to make the frosting sweeter. It's here to make it prettier... kind of like mascara, but for chocolate. 😄
📖 Recipe
Chocolate Fudge Frosting
Print Pin Recipe Rate RecipeIngredients
- 2 ¼ cups butter, softened
- 1 ½ cups powdered sugar
- ¾ cup Hershey's Special Dark Cocoa, or your favorite cocoa powder
- ½ cup coffee, hot and make it double strength
- ½ cup sour cream
- 1 ½ teaspoons vanilla
- pinch kosher salt
- 10 ounces dark chocolate, chopped and melted - you can use chocolate chips
- 1 tablespoon corn syrup.
Instructions
- In a bowl of stand mixer fitted with paddle attachment beat the butter on medium speed about 6 minutes or until pale and fluffy.
- Sift together the confectioners' sugar and cocoa powder.
- Reduce mixer speed to low.
- Add the confectioners' sugar mixture, beating until well blended.
- Continue beating on low and add the coffee, sour cream, vanilla, and salt.
- Beat 1 minute. Increase the speed to medium and whip for 2 minutes.
- Add the melted chocolate and beat until smooth, about 2 minutes more.
- Beat in the corn syrup.
Notes
- Hershey's Special Dark Cocoa gives this frosting a richer chocolate flavor and darker color, but regular unsweetened cocoa powder works just fine if that's what you have.
- The chocolate should be smooth and pourable but not piping hot. If it's too warm, it can soften the butter too much and leave you with a frosting that's harder to spread.
- If you've made the frosting ahead, let it come to room temperature, then beat it for a minute or two before using. It'll be silky, fluffy, and ready to frost your cake like it was just made.
Nutrition Facts
Nutrition information is estimated as a courtesy. If using for medical purposes, please verify information using your own nutritional calculator. Percent Daily Values are based on a 2000 calorie diet.
This recipe has been tested several times. If you choose to use other ingredients, or change the technique in some way, the results may not be the same.
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🔪How to make chocolate fudge frosting
Take your time, scrape the bowl well, and resist the urge to "quality test" half the frosting before it reaches the cake. It's harder than it sounds.
- Cream the butter. Beat the softened butter on medium-high speed until it's light, fluffy, and almost doubled in volume, about 6 minutes. Scrape the bowl often.
- Sift the powdered sugar, cocoa powder, and salt together to remove any lumps and slowly beat into the butter.
- Add the sour cream, coffee, and vanilla and beat until smooth.
- Beat in the melted chocolate. Add the corn syrup and increase the speed to medium-high and whip for 2 minutes, scraping the bowl several times, until the frosting is light, silky, and fluffy.
😱 What can go wrong (and how to fix it)
Even the best chocolate fudge frosting can have an off day. Here's how to get things back on track without throwing the mixing bowl across the kitchen.
🍫 The frosting is too thick. Add hot coffee, one teaspoon at a time, beating well after each addition until it reaches a smooth, spreadable consistency.
🍫 The frosting is too soft. Pop the bowl in the refrigerator for 15 to 20 minutes, then whip it again. Warm butter or chocolate is usually the culprit.
🍫 It's lumpy. Powdered sugar or cocoa that wasn't sifted can leave little lumps behind. Beat the frosting a little longer, and next time don't skip the sifter. It isn't being dramatic... it's trying to help.
🍫 The chocolate seized. If the melted chocolate gets too hot or comes into contact with water, it can turn grainy. Let the chocolate cool until it's just warm before adding it to the frosting.
🍫 The frosting looks curdled. Don't panic. Keep beating it. Ingredients that are different temperatures sometimes look a little chaotic before they come together into silky perfection.
🍫 It tastes sweeter than you'd like. A tiny pinch of kosher salt or an extra teaspoon of cocoa powder can help balance the sweetness without changing the texture.
🍫 The frosting won't hold its shape. It was probably too warm when you finished mixing. Chill it for 15 to 20 minutes, then give it one last quick whip before frosting your cake.
🍽 Recipes that use this easy chocolate fudge frosting
Need something to slather it on? These cakes are an excellent place to start.
🏡 I still laugh when I think about the two customers in my tearoom who argued over who got to lick the bowl after I finished making this frosting. One of them actually paid for the privilege. Any recipe that inspires grown adults to negotiate custody of the mixing bowl has earned a permanent place in my kitchen.
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