Indulge in the rich, moist decadence of Sour Milk Chocolate Cake—a classic dessert with a tangy twist that sets it apart from ordinary chocolate cakes. Made with sour milk or buttermilk, this recipe elevates the depth of chocolate flavor while ensuring an ultra-tender crumb. The combination of unsweetened cocoa powder, boiling water, and a perfect balance of leavening agents creates a light and airy texture, despite the batter being deceptively thin. Easy to prepare in just 20 minutes, this crowd-pleaser bakes to perfection in under 35 minutes, making it ideal for birthdays, celebrations, or weekend treats. Serve it bare for simplicity or add a luscious layer of chocolate buttercream or cream cheese frosting for a truly irresistible finish. Perfect for chocolate lovers craving a homemade yet bakery-quality dessert, this recipe is sure to become a go-to favorite!
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Preheat your oven to 350°F (175°C). Grease and lightly flour two 9-inch round cake pans or one 9x13-inch rectangular pan, and set aside.
In a large mixing bowl, sift together the flour, cocoa powder, sugar, baking powder, baking soda, and salt. Stir to combine.
In another bowl, whisk together the sour milk (or buttermilk), vegetable oil, eggs, and vanilla extract until smooth and well blended.
Gradually add the wet ingredients to the dry ingredients and mix until just combined. Be careful not to overmix.
Pour in the boiling water and stir gently until the batter is smooth. The batter will be thin, but this is normal.
Divide the batter evenly between the prepared pans or pour it into the rectangular pan.
Bake in the preheated oven for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
Remove the cake from the oven and let it cool in the pans for 10 minutes. Then, transfer the cake to a wire rack to cool completely before frosting or serving.
Enjoy as is or pair with your favorite frosting, such as chocolate buttercream or cream cheese frosting!
Serving size | (1543.1g) |
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Amount per serving | % Daily Value* |
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Calories | 3993.2 |
Total Fat 144.1g | 0% |
Saturated Fat 34.0g | 0% |
Polyunsaturated Fat 67.2g | |
Cholesterol 382.0mg | 0% |
Sodium 5551.1mg | 0% |
Total Carbohydrate 713.2g | 0% |
Dietary Fiber 70.8g | 0% |
Total Sugars 417.1g | |
Protein 80.5g | 0% |
Vitamin D 207.0IU | 0% |
Calcium 588.1mg | 0% |
Iron 41.8mg | 0% |
Potassium 3497.6mg | 0% |
Source of Calories