Just bringing this back as a follow up but I'm wondering if making this recipe, which calls for 2 tablespoons cider vinegar, in a cast iron skillet would cause either any problems for the cast iron itself or for the food to take on a metallic taste.
Cipollini and Apples with Bacon Recipe | MyRecipes.com
A friend of mine told me that her doctor recommended the use of cast iron to increase iron intake.Simple answer: No Before I got my Calphalon cookware, I cooked tomato sauces and other acidic recipes in my cast-iron skillet for years and never had a problem. If any iron got into the food, I considered it a good thing. It's an essential nutrient, after all