Yellow Sour Cream Cupcakes

• Cupcakes
• unsalted butter↗18 tablespoons
• sugar↗3 cups
• extra large eggs (room temp)6
• sour cream (room temp)↗1 cup
• vanilla extract↗1 1⁄2 teaspoons
• all-purpose flour↗3 cups
• cornstarch↗1⁄3 cup
• salt↗1 teaspoon
• baking soda↗1 teaspoon
• Cream Cheese Icing
• unsalted butter (room temp)↗1 1⁄2 cups
• cream cheese (room temp)↗2 (8 ounce) packages
• confectioners' sugar↗3⁄4 lb

  sifted

• vanilla extract↗1 1⁄4 teaspoons

Step-by-step instructions

1. 1

   Preheat oven to 350° and insert paper liners in muffin tins.

2. 2

   Cream butter and sugar until light and fluffy, then add eggs two at a time on medium speed of electric mixer.

3. 3

   Add sour cream and vanilla.

4. 4

   Sift together dry ingredients and with mixer on low speed, add to the butter mixture.

5. 5

   Mix just until combined.

6. 6

   Fill cupcake liners 3/4 full with batter and bake for 20 minutes or until a toothpick inserted in the center comes out clean.

7. 7

   Cool to room temperature on a wire rack.

8. 8

   For icing, mix together butter, cream cheese, sugar and vanilla at low speed of electric mixer until smooth.

9. 9

   Spread frosting generously on each cupcake.