Which exercise can I do in the kitchen in one minute

[MollyHuaCha]

While I wait for the kettle to boil x about ten occasions per day?

Oats so simple had some adverts aimed at this a few years ago. They might be available on YouTube

Squats

Squats, lunges, push ups using a counter, triceps dips using a kitchen chair. Step-ups on the bottom stair if you don’t live in a bungalow!

Squats - normal or jumping, lunges - standard or courtesy, press ups on counter top, star jumps, knee-highs...

Well using the counter top, not actually on the worktop

kegels

Great exercises - thank you! I'm going to try them all in the order you've given and see which ones appeal to me the most.