We all know by now that processed food is the devil. It's full of all the unhealthy food groups and scary sounding chemicals, and it gets made in ways that are enough to put you off ordering Taco Bell until the munchies come back again. If you decide to do the processing yourself, though? Totally different ball game. This seems to be the logic of one influencer, who promotes a low waste, sustainable lifestyle. Kathryn Kellogg raised some eyebrows recently for posting a video of her making what …