how do you get unlumpy mashed potatoes?

[poppy160]

I whip mine in a food processor.

 

[jools221181]

After I've mashed 'em I whisk 'em with a fork - gets the air in as well so they are nice and fluffy. mmmmmmmm I want some now.

Me too after coking them for aaages and adding milk and butter

 

[claire2711]

mmmmmmm im havin cheesy mashed tatties tonight