It was 10 PM. I was changing a bulb in the hallway when the glass part twisted right off the metal base. The base stayed in the socket. The glass was in my hand. The hallway was dark. I had no needle-nose pliers and the hardware store closed forty minutes ago.

I stood there in the dark, holding a broken bulb, genuinely considering just living without that light for the rest of my lease. Then I remembered something I had seen on a home repair forum years ago: a potato.

A potato saved my hallway light. Here is how.

Why this works

A raw potato is dense enough to grip but soft enough to mold around the jagged metal edges of a broken bulb base. When you press it into the socket, the potato flesh conforms to the shape of the metal, giving you a non-conductive handle to twist with.

Non-conductive is the key word here. You are about to stick something into a live electrical socket. A potato will not conduct electricity. Your metal pliers will.

Step by step (safety first)

1. Turn off the power at the breaker. Not the light switch — the breaker. Switches can be wired wrong. The breaker is the only guarantee the socket is dead.
2. Grab a medium-sized raw potato. Too small and it will not grip. Too big and it will not fit in the fixture.
3. Cut the potato in half so you have a flat surface to work with.
4. Press the cut side firmly into the broken bulb base. Push until the potato grabs the metal edges.
5. Turn counterclockwise slowly. The potato should grip and spin the base out of the socket. Do not force it — if it slips, cut a fresh flat surface and try again.
6. Once the base is out, wipe any potato residue from the socket threads with a dry cloth before screwing in the new bulb.

If the potato does not work

Sometimes the base is too tight or the potato is too soft. If the potato fails, your backup option is a pair of needle-nose pliers with rubber handles. Grip the edge of the metal base — not the center, not the glass fragments — and twist slowly. But you must be absolutely sure the power is off at the breaker. Not “pretty sure.” Not “I think I flipped the right switch.” Off. Confirmed off.

I keep a potato in my pantry and needle-nose pliers in my tool drawer now. Between the two, I have pulled three broken bulbs out of old fixtures in this apartment. The potato worked two out of three times. Not bad for a vegetable.