How to cook, freeze or pickle plant scraps instead of throwing them away

Sauteing beet greens with oil, salt, pepper, and garlic is a great way to get a second side dish from one plant. — Photos: Jessica Damiano via AP

My beets were slow to grow this year, so I bought a bunch at the farmers’ market.

I was taken aback when the seller chopped off the vegetable’s foliage and attempted to discard it after handing me a sad sack of leafless roots.