Description

A rich and moist chocolate cake with deep cocoa flavor and a soft, tender crumb. Finished with a creamy chocolate-sour cream frosting, this dessert is perfect for satisfying any chocolate craving.

Ingredients

1 cup (125 g) all-purpose flour

1 cup (200 g) granulated sugar

1/2 cup (63 g) unsweetened cocoa powder

3/4 teaspoon baking powder

3/4 teaspoon baking soda

1/2 teaspoon kosher salt

1 large egg

1/2 cup (100 g) whole milk

1/4 cup (55 g) vegetable oil

2 teaspoons vanilla extract

1/2 cup (118 g) warm water or warm brewed coffee

1 cup (168 g) milk chocolate chips

1/2 cup sour cream

1/2 teaspoon vanilla extract

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Instructions

Preheat the oven to 350°F (175°C) for a glass or ceramic baking dish, or 325°F (163°C) for a metal pan. Line an 8x8-inch baking dish with parchment paper and lightly grease it.
In a large mixing bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.
Add the egg, milk, vegetable oil, and vanilla extract. Mix on low speed until combined, then increase the speed and mix for about 2 minutes.
Slowly stir in the warm water or brewed coffee until the batter is smooth and thin.
Pour the batter into the prepared baking dish and bake for 35 to 40 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs.
Cool the cake in the pan for 10 minutes, then transfer to a wire rack to cool completely.
For the frosting, melt the chocolate chips in a microwave-safe bowl at 50% power in 30-second intervals, stirring after each interval until smooth.
Mix the melted chocolate with the sour cream and vanilla extract until fluffy and smooth.
Spread the frosting evenly over the cooled cake and serve.

Notes

Use warm brewed coffee instead of water to intensify the chocolate flavor.

Dark chocolate chips can be substituted for a richer frosting.

Add chopped walnuts, pecans, or chocolate chips to the batter for extra texture.

Store covered at room temperature for up to 2 days or refrigerate for up to 5 days.

Freeze individual slices for up to 3 months and thaw overnight in the refrigerator.

Prep Time: 20 minutes
Cook Time: 25 minutes
Category: Dessert
Method: Bake
Cuisine: American

Nutrition

Serving Size: 1 slice
Calories: 350 kcal
Sugar: 31 g
Sodium: 230 mg
Fat: 16 g
Saturated Fat: 6 g
Unsaturated Fat: 8 g
Trans Fat: 0 g
Carbohydrates: 49 g
Fiber: 3 g
Protein: 5 g
Cholesterol: 35 mg