Ingredients
- 1 and 3/4 cups plus 2 tablespoons all-purpose flour, divided
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
- 1/2 cup full-fat sour cream
- 1/2 cup whole milk
- 3 tablespoons fresh lemon juice, divided
- 3/4 cup fresh or frozen blueberries (if using frozen, do not thaw first)
- 1/2 cup (1 stick) unsalted butter, at room temperature
- 3/4 cup granulated sugar
- 1/2 teaspoon lemon extract (optional)
- 1 large egg plus one egg yolk, at room temperature
- 2 teaspoons finely grated lemon zest
- 1/2 cup (1 stick) unsalted butter, very soft
- (1) 8 ounce block full-fat cream cheese, very soft
- 4 cups confectioners' sugar
- 1 and 1/2 tablespoons fresh lemon juice
- 1/4 teaspoon vanilla extract
- 1/4 teaspoon lemon extract (optional)
- 1/2 teaspoon finely grated lemon zest
- 1 teaspoon freshly grated lemon zest (optional)
- 1/2 cup fresh blueberries (optional)
Instructions
- Preheat oven to 350°F (175°C) and line a cupcake pan with liners.
- In a bowl, whisk together flour, baking powder, baking soda, and salt.
- In another bowl, mix sour cream, milk, lemon juice, butter, sugar, eggs, and lemon zest until smooth.
- Gradually add dry ingredients to wet mixture; stir until just combined.
- Fold in blueberries gently (do not thaw if using frozen).
- Fill cupcake liners two-thirds full with batter; bake for 20 minutes or until a toothpick comes out clean.
- Cool in the pan for 5 minutes before transferring to a wire rack.
- For frosting: beat together softened butter and cream cheese; gradually add confectioners' sugar and lemon juice until fluffy.
- Once cooled, frost cupcakes generously.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cupcake (68g)
- Calories: 220
- Sugar: 18g
- Sodium: 210mg
- Fat: 10g
- Saturated Fat: 6g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 29g
- Fiber: 1g
- Protein: 2g
- Cholesterol: 50mg
Keywords: Ensure ingredients are at room temperature for better mixing. Use the spoon-and-level method for accurate flour measurement. Try substituting blueberries with other fruits like raspberries or blackberries for variety.