Mashing

Mashing potatoes with your non-dominant hand is hard, but good practice for becoming ambidextrous.

Tom started by mashing the potatoes.

He was mashing potatoes.

Quit mashing my buttons.

I was busy mashing some potatoes.

Tom is in the kitchen, mashing potatoes.

In 1746, she discovered that potatoes could be turned into something similar to flour. This required boiling, mashing and drying the potatoes.

In the culinary process, there are none of those peelings and washings as in the case of potatoes and turnips, […] none of those squeezings and mashings and choppings, before the worthless mess can be got upon the table.

More hot water is added, and the mashing process repeated, until the grain has been wholly deprived of its saccharine matter, which is generally accomplished by three, or at the most, four mashings[…]