In a mixing bowl whisk together 2 1/2 cups all-purpose flour 1 teaspoon baking soda 1/4 teaspoon salt

In a separate bowl combine 1/2 cup buttermilk 1/2 cup sour cream 1 tablespoon orange extract

In a stand mixer cream 1 cup unsalted butter, softened Slowly add in 2 cups granulated sugar 4 large eggs Mix until creamy

Alternate adding portions of the flour mixture and the sour cream mixture into the bowl  Beat in between additions scraping down the sides to make sure all ingredients are combined Add 2-4 drops orange food coloring and mix

Place batter in a muffin tinned lined with cupcake liners, fill each cup 2/3 full Using a cookie or ice cream scoop is easiest Bake at 350 F for 18-20 minutes

For the frosting Cream together 2 sticks unsalted butter, room temperature (1) 8 oz block of cream cheese, softened

Next, add in 4 cups powdered sugar one cup at a time, beating between additions Divide the buttercream in half Flavor one with vanilla extract and the other with orange extract Color the orange flavored buttercream with orange dye

Core the center of each cupcake and fill with some of the vanilla buttercream If you wish, you can add a little of the vanilla and orange buttercream to the piping bag for a swirled effect