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I told mother about things I did, things I ate, my utensils and cookware. She ususally disagreed, or simply didn't believe. Of course, carnivore eating. Which has been slipping lately, so she is gaining again. Still, I did show her. Cooking with stainless cookware. If very good quality, triple or more ply, stainless. Using only wood or metal cooking utensils.
Still having some difficulty. She keeps reaching for silicon utensils while hot cooking. If she keeps doing that, I will throw those out. Only for cold applications. And she keeps putting hot food in plastic containers. Again, if I catch her again, I will tell her those will be thrown and replaced with glass or ceramic if I catch her doing that one more time. Cold food in only! Room temp.