Fill a Tupperware or Rubbermaid tote with equal parts vinegar and water.

Then, place the rusty skillet into the mixture.

Let it sit for about an hour or up to 6 hours in extreme cases.

Remove it from the solution and scrub clean.

Repeat steps 2-4 until no rust remains.

Clean skillet with soap and water. Dry the skillet completely.

Coat the entire skillet, top, bottom, and handle with coconut oil. Wipe the excess oil off with a paper towel.

Place upside down in the oven and bake at 400°F for an hour. Leave it in the oven till cool.