What Not to Cook in a Dutch Oven: The Caveat List

Avoid: long acidic simmers in bare iron, delicate fish in enameled pots at high heat, empty preheats on high, and thermal shock. Most foods are fine. The main risk is enamel damage (thermal shock, metal utensils) and seasoning degradation in bare iron (acid + time).

Long acidic simmersFine in enameled; risky in bare iron (2+ hours)

Delicate fishNot recommended at high heat (enameled pots get very hot)

Empty preheats on highEnamel does not like this; heat gently

Thermal shockDo not pour cold water into hot pot; do not put hot pot on cold surface

Metal utensilsScratches enamel; use wood or silicone instead

Acidic leftovers in bare ironNever store overnight; transfer to glass immediately

High heat cookingMedium is almost always enough; cast iron holds heat

Bare iron + long acid = rust

A 2-hour tomato braise or vinegar-based simmer in bare iron will degrade the seasoning. The acid eats away the oil layer. You will get rust spots. A single acidic braise is survivable; repeated ones wear the pot. Use enameled iron for braised tomatoes, wine reductions, and vinegars. Reserve bare iron for oil-based cooking.

Delicate fish at high heat

Enameled dutch ovens get screaming hot. Delicate fish (sole, flounder) at 500°F will cook so fast it overcooks and falls apart. A thick fish steak (tuna, salmon) is fine. Delicate white fish is better in a regular saucepan on the stovetop.

Preheat gently, never empty on high

Do not put an empty enameled pot on high heat and leave it to preheat. The enamel does not like dry, aggressive heat. Heat gently with liquid inside (even just water), or use medium heat.

Thermal shock: cold-to-hot and hot-to-cold

Do not pour cold water into a hot pot. Do not set a screaming-hot pot on a cold granite countertop. Rapid temperature swings can crack the enamel over time. Let things cool gradually.

Insider tip

Bare iron: avoid long acidic simmers (tomato for 2+ hours). Enameled: avoid metal utensils (use wood), empty preheats on high, and thermal shock. Everything else is fine.

Frequently asked questions

Can I cook tomato sauce in a dutch oven?

In enameled: yes, safely. In bare iron: avoid 2+ hour simmers; the acid degrades seasoning.

What happens if I thermal-shock an enameled pot?

One shock is usually fine. Repeated rapid temperature swings (hot pot → cold surface) can crack the enamel over time. Let things cool gradually.

Can I use metal utensils in a dutch oven?

Metal scratches enamel. Use wooden or silicone spoons instead.

Is fish safe to cook in a dutch oven?

Thick fish steaks (salmon, tuna) yes. Delicate white fish (sole, flounder) overcooks too fast at 450–500°F. Use a regular pan.

What if I preheat empty on high by mistake?

Once is probably OK. But do not make a habit of it. Heat gently or with liquid inside. Enamel does not like aggressive dry heat.