Rind, as in orange rind, peel, zest, skin. Shell of an egg. Rind of cheese. Shells, as in nutshells or egg shells.

Candied peel of citrus fruits.

Lemon peel. Lemon zest.

Rind of cheese.

Apple peel. Apple skin.

Orange peel. Orange zest.

Nut shell

Egg shell

Banana skin

Grated peel