Healthy Sweet Potato Shepherd's Pie Recipe

Do you ever get a hankering for something that sounds just so delicious? surely you do. that was probably a dumb question. out of the clear blue sky, i got a hankering for some shepherd's pie. well, actually. i was thinking about how i could use the green beans that we picked from our garden a week or so ago that have been sitting in my fridge. i didn't want them to go to waste and i didn't want them to just be a boring side either. i mentally went through my catalog of favorite recipes and this popped in.