She looks through her bag, too. She produces what looks like a single deshelled peanut.

She picks up his apple core.

There is a series of abrupt transitions, and then she is holding what for all the world looks and smells like an apple-core-shaped peanut and a peanut-shaped bit of browned apple.

She puts the bit of browned apple in with the mice, and breaks off the "stem" of her peanut and gives that to the mice too, and bites off a nubbin of peanut and puts it in her bag, and then eats the rest of it, nibble nibble.