Slow Cooker Stuffed Peppers

I found a recipe for stuffed peppers done in the slow cooker but the filling didn't thrill me. I decided to use the method but change the ingredients. I'm always looking for ways to sneak more nutrition into my main dishes but my kids(even the adult ones can be picky)aren't often receptive. Spinach packs a lot of bang for the buck but it's on the "I don't eat that!" list. I learned long ago that if I grind the offender up into tiny pieces there is no way it cou