Step 1

Combine the butter and shortening in a large mixer bowl and beat until smooth and creamy.

Step 2

Add about half of the powdered sugar and mix until smooth and well combined.

Step 3

Add the vanilla extract and 1 tablespoon of water or cream and mix until smooth and well combined.

Step 4

Add the remaining powdered sugar and mix until smooth and well combined.

Step 5

Add more water or cream until desired consistency is reached, then add salt to taste.