You know you're doing great things when random people try to claim it as their own. Keep being the person who creates and I hope you find a way to keep your peace while you fight this. You deserve both peace and justice.
Watermark your photos in a very obvious place! Even if it obscures some of the main image. Don't make it easy to crop out And never, EVER give up because of some pathetic excuses of human behavior. Your loaves are STUNNING! Art takes so many forms, and this is definitely unique ❤ the world needs art!
Hey, for what it's worth, I just saw this and went crusading, only to not find your recipe among their posts or website. I think they might actually have taken it down!
Try and ignore it. Create your own group. Watermark the images. It's not worth the energy worrying about it. Everything in the public sphere gets reused and repurposed.