My daughter helped mash them as I peeled and drop them into the bowl.
Then I spread them on a piece of parchment paper, laid on a pan, and put them in my 200 degree oven for several hours. I was drying several other things in the oven anyway.
At that point, they had browned some and looked lovely, but weren't dry enough. So down into the dehydrator at 135º overnight.
And in the morning I had this:
Chewy, densely sweet, and ready and waiting should I want to add to smoothies or baked treats (as a sweetener!) or just for a banana-y treat.