Non-reactive cookware means using stainless steel, enameled cast iron, ceramic, or tempered heat-proof glass, like Pyrex.
If you want make larger quantities than here, simply double the recipe. I’d also consider canning it in the traditional way so it will keep indefinitely.
For sweeter chutney, instead of adding more sugar, use a sweet apple like Golden Delicious instead of a tart varietal.
All our recipes are created by chefs and reviewed by our oncology-trained staff Registered Dietitian, Kate Ueland, MS, RD, to ensure that each is backed with scientific evidence and meets the standards set by the Academy of Nutrition and Dietetics.