For good reason, cast iron skillets are a favorite in American kitchens. With proper care, they can endure for generations and are resilient and adaptable. Cast iron works flawlessly whether you’re baking cornbread, frying bacon, or searing a steak. Even though these pans are fantastic, they aren’t ideal for every situation. Actually, cooking some foods in a cast iron skillet can cause rust, alter the flavor of your food, or harm the seasoning.
These are the best foods and cooking practices to stay away from if you want your skillet to last and your food to continue tasting delicious.

1. Acidic Foods (like tomatoes or vinegar):
These can strip the seasoning and leave a metallic taste. Use stainless steel or enameled cast iron instead.
2. Delicate Fish:
Flaky fish like tilapia or flounder can stick and break apart. Strong smells may linger, too. Stick to stainless or nonstick pans.
3. Sticky/Sugary Sauces:
Glazes like honey garlic can burn and ruin the nonstick surface. Wait until your skillet is well-seasoned or use nonstick pans.
4. Eggs (unless you’re a pro):
Eggs often stick unless the pan is perfectly seasoned. Until then, use a nonstick pan for breakfast.
5. Pungent Foods (garlic, curry):
Cast iron absorbs strong flavors. Avoid cooking sweets afterward—or keep separate pans for savory and sweet.
6. Desserts After Savory Dishes:
Cast iron holds onto past flavors, so that brownie might taste like bacon. Clean thoroughly or dedicate a pan just for baking.
7. Boiling/Steaming:
Water erodes seasoning and leads to rust. Don’t boil pasta in cast iron—use stainless or enameled cookware.
8. Storing Food in the Skillet:
Leftover food (especially acidic or moist) can damage seasoning and cause rust. Transfer to another container for storage.
9. Extreme Temperature Changes:
Cold water on a hot skillet can cause cracking. Let it cool before rinsing or adding food.
Cast Iron Care Tips:
- Dry completely after washing
- Lightly oil after use
- Avoid soap unless necessary
- Store in a dry place
Treat your cast iron right, and it will serve you delicious meals for a lifetime.