I'm cooking Marcella Hazan's bolognese/ragu recipe using a brand new Le Creuset 7-quart round dutch oven. For the long simmering stage, the recipe says to keep the heat very low, which is what I'm doing. I'm noticing that the bubbles are appearing only at the very center of the pot (presumably because the flame is so small). Around the edges, I'm able to dip my finger in the sauce and keep it submerged without burning, and I can touch the handles and sides of the pot, too. Is this temperature variation typical and/or acceptable? (I am stirring occasionally, so I guess that might help give everything a turn in the center.)

It tastes OK so far, but I'm just wondering if I should do something differently next time (e.g., using a pot with a smaller diameter or better conductivity, or even trying to simmer in the oven.)

2 Answers 2


The reason is almost certainly, as you suspected, because the flame is small. Neither the ceramic coating nor the cast iron body of a Le Creuset dutch oven are going to conduct the heat around the pot very much; it will go into the food basically right above the flame.

The temperature differential in the pot from right over the flame to at the perimeter is doing neither the quality nor safety of your sauce any good.

You want the entire contents of the dutch oven at a safe temperature (at least 140 F, 60 C) as it stews, simmers, braises, or whatever. It sounds like this is certainly not true for you right now.

I find the best way to do this sort of cookery is not to use the cook top (hob), but rather place the Dutch oven in a slow oven (about 300 F, 150 C). This will envelope the entire pot with heat, and transmit to the food inside all around. It will cook more evenly, without much risk of burning, and is very low maintenance.

  • 1
    That's what I suspected, thanks. I might try throwing it in the oven for the final stretch. I am wondering, though, why the recipe would suggest using a pot like this (it recommends enameled cast iron). I'm assuming it might work better with an electric range?
    – craw
    Dec 29, 2013 at 21:41
  • @craw Yep, electric stoves heat more evenly, assuming the burner and pot bottom are similar sizes. I suppose the recipe author probably has a stove where the cast iron works out - either electric or just gas with a burner that can produce a large flame even on low power.
    – Cascabel
    Dec 31, 2013 at 4:00

Another thing you might consider is a heat diffuser. Using something like this will cause a small flame to behave more like an electric burner on low heat. Diffuser

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.