Cream butter and kremelta, add salt and vanilla. Add icing sugar (approx 4 cups) 1cup at a time beating well after each addition. Scrape sides and bottom of bowl fequently with spatula. Add milk and beat at high speed until light and fluffy.
Take a portion and colour as desired.
This recipe is sufficient for one average sized cake.
Any left over can be frozen.
Thaw at room temperature and rebeat as necessary.