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Ingredients
Scale
- 1 cup (120 grams) all-purpose flour
- ⅔ cup (146 grams) light brown sugar
- 2 ½ teaspoons cinnamon
- ¼ teaspoon kosher salt
- ½ cup (114 grams) unsalted butter, cold and cut into small cubes
- ¾ cup (165 grams) light brown sugar
- ⅓ cup (40 grams) all-purpose flour
- 2 teaspoons ground cinnamon
- 2 cups (240 grams) all-purpose flour
- 2 ½ teaspoons baking powder
- 1 teaspoon kosher salt
- ¾ cup (170 grams) unsalted butter, at room temperature
- 1 cup (200 grams) white sugar
- ⅓ cup (73 grams) light brown sugar
- 2 large eggs
- 1 large egg yolk
- 2 ½ teaspoons vanilla extract
- ¾ cup (180 grams) sour cream
- 1 cup (120 grams) confectioners' sugar
- 2 tablespoons (30 grams) milk (or to desired consistency)
- ½ teaspoon vanilla extract
Instructions
- Create the streusel topping by mixing flour, brown sugar, cinnamon, salt, and cold butter until clumpy. Chill the mixture.
- Prepare the cinnamon swirl by whisking brown sugar, flour, and cinnamon in a small bowl.
- Preheat the oven to 350°F (175°C). Whisk together flour, baking powder, and salt in a medium bowl.
- In another bowl, beat together butter, white sugar, and brown sugar until fluffy. Add eggs and vanilla, mixing until smooth.
- Alternate adding dry ingredients and sour cream to the butter mixture, starting and ending with flour. Avoid overmixing.
- Spread half of the batter in a prepared baking pan. Top with cinnamon swirl mixture and remaining batter. Finish with the streusel.
- Bake for 50-55 minutes or until a toothpick comes out clean. Cool in the pan for 5 minutes before transferring to a wire rack.
- Whisk together confectioners' sugar, milk, and vanilla for the glaze. Drizzle over the cooled cake.
Notes
Make sure butter is at room temperature for easy mixing.
Avoid overmixing the batter for a tender cake.
Chill the streusel topping before baking for a crunchier texture.
- Prep Time: 20 minutes
- Cook Time: 55 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Calories: 280
- Sugar: 22
- Sodium: 200
- Fat: 12
- Saturated Fat: 7
- Unsaturated Fat: 2
- Trans Fat: 0
- Carbohydrates: 43
- Fiber: 1
- Protein: 3
- Cholesterol: 50