Well, actually since three days after we moved in, because when we moved in they were missing as the last tenants stole them, and it took the Manager 2 days to give us hers as a replacement. (course we had no pans either so it didn't matter too much)
I think she never cleaned them, and it bothers me. This grime is CAKED on. It is baked on. It has fused with the metal.
And I have tried since day three to get them clean. I ran them through the dishwasher. I soaked the in hot water and comet. I soaked them in bleach. I scrubbed at them with cloth and iron wool. I scrubbed at them with comet and baking soda. And still they barely got any better. The best to this day was that picture. Nasty huh?
But MaSu and I did not have the money to spend on new ones. I thought I had tried everything and was ready to give up. I thought I would have to live with the nastiness for the rest of our time here in this apartment.
MaSu did a search for me and found one thing I had not tried yet. Boiling them in water with half a cup of baking soda. I was skeptical, but as we have a twelve pound bag of the stuff, why not try?
I had no pot big enough for the job (it fit just on the edge like a lid) so I then tried placing in my largest skillet, and behold! It fit. I just had to do them one at a time.
After 30 minutes of boiling the water looked like that >
And it is Working! So I poured it out and tried it a second time.
HOW TO Clean Stove Drip Pans-
1. Place in pot or skillet covered with water.
2. Add 1/2 cup baking soda
3. Bring to boil for at least 30 minutes.
4. Wipe clean, maybe use a iron wool for really stuck on grime.
5. Can be repeated till reached satisfaction