As a general rule, one must immerse, in a mikve, any glass or metal utensil or receptacle obtained from a non-Jew and to be used for preparing, serving, or eating food. (Source, source.) What if it's to be used for food, but the food isn't going to touch it directly? For example,

  • a microwave-oven turntable on which one plans to put bread to defrost, but only on a paper towel so as not to dirty the turntable; or
  • a toaster-oven tray on which one will heat food, but only on foil so as not to dirty the tray; or
  • a metal bread basket in which one will serve bread, but only wrapped in a napkin for elegance.

Do such items require immersion?

  • Does your intended use alter whether these are considered kelim that nominally come in contact with food? If it's "normally" used one way that requires tevilla and your only change is to "add a chotzetz" external to the kli, it isn't changing the vessel's functionality to non food use (like designating a knife to cut wires would)... – Isaac Kotlicky Apr 23 '15 at 9:25
  • The example you DIDN'T provide is the slow cooker for chulent, for which liners are specifically made (as opposed to your other examples in which you jury rig something). That case may be different. – Isaac Kotlicky Apr 23 '15 at 9:28
  • dupe? judaism.stackexchange.com/q/241/759 – Double AA Apr 27 '15 at 14:46

Chabad's article on Tevilat Keilim (your second source) quotes Tevilat Keilim, p. 55, (I cannot find this book)

that a vessel that normally touches the food may not be used before immersion even if one puts down foil or paper between the food and the vessel.

Since many people do allow the food to touch your example vessels directly, it seems that the interposition will not help avoid teviloh.

  • Otoh, maybe his particular breadbasket is not "a vessel that normally touches the food". – msh210 Apr 23 '15 at 16:14
  • If so, just fine. – Avrohom Yitzchok Apr 23 '15 at 16:16
  • @msh210 in that case, it's likely batlah daito etzel kol adam for most items. Bread baskets may be the one exception, since it's normative to have napkins in then for decorative purposes (most restaurants do this), but toaster and microwave trays are most certainly required. Aluminum pans (the counter argument) only require it when you intended to reuse them, turning them from a disposable kli which doesn't require immersion into a standard kli matches which does. – Isaac Kotlicky Apr 26 '15 at 12:51
  • @IsaacKotlicky If this answer would source that bat'la da'to applies here, IMO it'd be a much better answer. – msh210 Apr 26 '15 at 14:28

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