LOS ANGELES — In the middle of what is predicted to be the biggest storm of the year in L.A., Zoey

Deutch does not cancel, like so many Angelenos would do.

Nor does she arrive late — in fact, she’s there first at a local coffee shop.

As it turns out, the 22-year-old star of the new film Before I Fall (in theaters Friday) is prepared for just about anything. “I have a fear of being left without snacks,” says

Deutch matter-of-factly, sifting through a rather hilarious stash of offerings on her person: a boxed kale salad, green juice, an immune-system boosting shot of turmeric.

“I’m not done!” she protests, unzipping a secret compartment on her quilted jacket, where a chocolate chip Clif energy bar…