Ingredients
Scale
- 1 cup sour cream
- 1/2 cup unsalted butter, softened
- 1 1/2 cups granulated sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1 teaspoon baking soda
- 2 cups all-purpose flour
- 1/2 teaspoon salt
- 2 cups diced fresh rhubarb
- 1/2 cup packed brown sugar
- 1 teaspoon ground cinnamon
- 1/4 cup chopped walnuts or pecans (optional)
Instructions
- Preheat oven to 350°F (175°C). Grease and flour a 9-inch square baking pan.
- Combine sour cream and baking soda in a small bowl; set aside to fizz.
- Cream softened butter and granulated sugar in a large bowl until light and fluffy. Beat in egg and vanilla extract.
- Add the sour cream mixture to the butter mixture and mix well.
- Fold in flour and salt until just combined; avoid overmixing.
- Gently fold in diced rhubarb and pour batter into prepared pan.
- Mix brown sugar, cinnamon, and nuts (if using); sprinkle over batter.
- Bake for 45–50 minutes, or until a toothpick comes out clean. Cool in pan before serving.
Notes
Serve warm with powdered sugar and coffee. Top with yogurt or whipped cream for indulgence.
- Prep Time: 15 minutes
- Cook Time: 50 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1 slice
- Calories: 350
- Sugar: 22g
- Sodium: 200mg
- Fat: 15g
- Saturated Fat: 7g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 50g
- Fiber: 2g
- Protein: 4g
- Cholesterol: 30mg
Keywords: coffee cake, rhubarb, brunch, dessert, sour cream
