Instructions
1-Preheat the oven to 350°F: Preheat the oven to 350°F. Line a cookie sheet with parchment paper and set aside.
2-In the bowl of a stand mixer: In the bowl of a stand mixer or with an electric hand mixer, combine the melted butter, sugar, eggs and cake batter flavoring – mixing until fluffy and combined.
3-Add the pink food coloring until you: Add the pink food coloring until you reach your desired color. Please note the color will get lighter when you add the dry ingredients.
4-Next, add the flour, corn starch, baking: Next, add the flour, corn starch, baking soda and salt. Begin mixing and as it combines, add in the buttermilk. You should have a thick batter.
5-Once fully combined, transfer the batter into: Once fully combined, transfer the batter into a piping bag.
6-Pipe hearts onto the prepared baking sheet: Pipe hearts onto the prepared baking sheet by starting at the bottom of the heart, piping up and down to the left and then up and down to the right to create the heart shape. Repeat until the pan is full. Make sure to leave enough space for the whoopie pies to spread as they bake. Repeat with remaining batter.
7-Bake at 350°F for 10-12 minutes: Bake at 350°F for 10-12 minutes. They will spread slightly, puff up, and will feel firm when tapped on the center when they are ready to come out.
8-Allow the hearts to cool completely on: Allow the hearts to cool completely on the pan.
9-Once cooled, make the frosting by first: Once cooled, make the frosting by first combining the butter and powdered sugar, one cup at a time, and adding a small amount of heavy whipping cream to bring together the mixture as needed.
10-Once all of the powdered sugar is: Once all of the powdered sugar is incorporated, turn the mixer on low and slowly add in the remaining whipping cream and vanilla extract. Once added, use the wire whisk and turn the speed all the way up on high and whip until the frosting has thickened and holds a stiff peak.
11-Pipe the frosting in a heart shape: Pipe the frosting in a heart shape into the center of the bottom of one heart cookie and then top with a matching heart to make the whoopie pie. Repeat until all whoopie pies are assembled.
12-Enjoy: Enjoy! Store in an air-tight container, in the fridge, for up to 4 days.