Discover the best buttermilk substitutions, from lemon juice and ... some recipes which require a slightly runnier texture ...

It's akin to rice cakes in lieu of hot biscuits ... especially when baking. Can I substitute sour cream for buttermilk? Yes, although you'll likely want to thin it out with milk or water to ...

Allow to cool until lukewarm. Add the butter and beat with an electric whisk for 5 minutes. Beat in the icing sugar and then the buttermilk. Place in a piping bag and pipe onto cake.