DIRECTIONS:
Step 1
Using electric mixer, mix butter.
Step 2
Sift in powdered sugar and mix on low until incorporated.
Step 3
Add vanilla and salt and increase to medium speed for approximately 6 minutes until light and airy. Stop occasionally to scrape.
Step 4
Reduce speed to low and drizzle in heavy cream until fully incorporated.
Step 5
Scrape and mix on medium for 10 seconds more.
Use immediately.