You should check out the link below for details and fancy variations, but the method is pretty simple.
First, youre going to wash or scrape off any moldy bits.
When Life Hands You Overripe Tomatoes, Make Tomato Water| Bon Appetit
Turn Overripe Tomatoes into Tomato Water Instead of Trashing Them
Overripe tomatoes may be a little too soft for a sandwich, but according to the good folks at Bon Appetit, there’s no reason to chuck ‘em. You’ll want
