Ever since I read 10% Human, I've been slightly obsessing about eating good pre and probiotics food. I've noticed a significant difference in the way I feel when ingesting probiotic-rich food or taking the probiotic supplement. After a few trial and errors, I think I've finally perfected the crock-pot yogurt recipe. With this recipe, you can significantly reduce the amount of plastic you use from yogurt consumption. It's a fairly hands-off process, but does require a few hours of attention. Here's how I normally make plastic free crock-pot yogurt.