So far as I know, the oldest in the English language at least, is Banting's Letter on Corpulence. Having lost weight and dramatically improved his health on a low carbohydrate diet. Banting wrote and self-published the book back in the Mid-Victorian era, and he distributed it for free.
Read More »Open Sesame Pork Roast Low-Carb, Keto, Gluten-Free Recipe
One my favorite things about this Low-Carb Gluten-Free pork roast recipe is that it makes 2 delicious meals. You get to enjoy the first meal while the second meals cools. Then just pop it in the freezer for serving at a later date. Though this recipe requires a bit more preparation than most of my meals, I can promise you it's worth it!
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