Clean up around the sink, so that there are only the dirty dishes there to be washed.
Get everything ready so that you can wash them by hand.
Wash the dishes intently one by one, as if each plate was the most important thing in the world ... as if handling a precious child.
Clean diligently, removing the grime, while simultaneously dropping all thoughts of "clean" and "dirty" (if that is difficult, see if you can drop any negative feelings about the dirtiness, and see the dirty state with acceptance and equanimity).
Do not rush it.
Proceed ahead at a steady pace, taking care.
Drop all thought of some goal to attain, even while forging ahead.
Let each plate take it's time.
How did it feel?
Was it different than usual (if you usually do the dishes)?
Did you feel stressed? More at ease?
Can you consider doing this again, and other work in such "non gaining" way?