This site uses only a few technical cookies necessary for its operation. By continuing to browse, you accept their use.
To find out more...
To find out more...
Should I believe my oven?
Can you really trust your oven? This is an important question as we are always tempted to take the temperature indicated as gospel truth and, unfortunately, this is rarely very precise.
34 K 4.6/5 (20 reviews)
Keywords for this post:OvenCookingTemperatureCheckingLast modified on: July 4th 2011
Should I believe my oven?
When I set my oven to 200°C, is it really at that temperature? The actual temperature can be measured easily if you have an accurate thermometer.
To check my own oven (a “De Dietrich” model UMP501), I placed the probe of the thermometer in the oven, closed the door, set it to 200°C and noted the temperature at 30 second intervals over 20 minutes.
Ideally, of course, the oven should heat up rapidly to exactly 200°C, then stay at this temperature until I open the door to put the food in, or until I turn it off. Unfortunately, the reality is dramatically different. Here is the temperature curve recorded:
From this graph we can note that:
1) The oven takes 10 minutes to reach 200°. So far, so good.
2) It beeps to tell me that it has reached 200° when, in fact, it is only at 191°, which is not so good.
3) Although it is supposed to stop heating at 200°C, it goes up to 217° before coming back down to 186°, and from then on it varies 10 or 20° around the set temperature, which is far from ideal.
These variations are significant but, fortunately, not the end of the world for most recipes. A little hotter or cooler doesn't make that much difference, and can be compensated by a slightly shorter or longer cooking time.
But take care, even so, with recipes that require a precise temperature, such as macarons or foie gras. For these, it is a good idea to measure the oven temperature when it indicates that it is at the right temperature, then adapt the recipe accordingly.
This is somewhat disappointing, as my oven was quite expensive at the time, and the salesman promised me an oven that had “precise temperature control” . But then, when it comes to selling, they always promise the moon.
So, in the end, in answer to the question “Should I trust my oven?” the reply is definitely: no, you should not trust your oven. Instead, you should measure and calibrate it beforehand to know how it really performs.
And then, we're talking here about an electric oven. Just imagine what's involved with a gas oven…
To check my own oven (a “De Dietrich” model UMP501), I placed the probe of the thermometer in the oven, closed the door, set it to 200°C and noted the temperature at 30 second intervals over 20 minutes.
Ideally, of course, the oven should heat up rapidly to exactly 200°C, then stay at this temperature until I open the door to put the food in, or until I turn it off. Unfortunately, the reality is dramatically different. Here is the temperature curve recorded:
From this graph we can note that:
1) The oven takes 10 minutes to reach 200°. So far, so good.
2) It beeps to tell me that it has reached 200° when, in fact, it is only at 191°, which is not so good.
3) Although it is supposed to stop heating at 200°C, it goes up to 217° before coming back down to 186°, and from then on it varies 10 or 20° around the set temperature, which is far from ideal.
These variations are significant but, fortunately, not the end of the world for most recipes. A little hotter or cooler doesn't make that much difference, and can be compensated by a slightly shorter or longer cooking time.
But take care, even so, with recipes that require a precise temperature, such as macarons or foie gras. For these, it is a good idea to measure the oven temperature when it indicates that it is at the right temperature, then adapt the recipe accordingly.
This is somewhat disappointing, as my oven was quite expensive at the time, and the salesman promised me an oven that had “precise temperature control” . But then, when it comes to selling, they always promise the moon.
So, in the end, in answer to the question “Should I trust my oven?” the reply is definitely: no, you should not trust your oven. Instead, you should measure and calibrate it beforehand to know how it really performs.
And then, we're talking here about an electric oven. Just imagine what's involved with a gas oven…
Lasts posts
With vinegar?
When you buy a jar of pickles labeled “in vinegar,” you’re looking for their tangy, crunchy flavor to go with cold cuts, sandwiches, or salads. You expect to find small gherkins preserved in vinegar, with salt and herbs, but is that really the case?July 15th 20269524.8
Congratulate the chef
You've just finished a meal that you really enjoyed. The server approaches with the usual question: “How was it?” And then, as a natural reflex, you simply reply, “Yes, it was very good.” However, when the meal was truly outstanding, this brief exchange deserves a little more. .July 7th 2026799 25
Cut twice as fast
When you need to cut something long into small pieces, for example chopped chives or the stem of a spring onion, there's a simple gesture that doubles your cutting speed. Let's see how.May 21th 20262,1065
The other use for bowl scraper
Your kitchen or bakery utensils may include a horn (left) or a pastry cutter (right). These practical utensils are normally used to scoop the contents of a bowl or salad bowl - the horn - or to cut dough - the pastry cutter. But they also have another, very practical use - let's see what it is.May 9th 20261,9103
The strange foam of potatoes in milk
As you may have already noticed, when you cook potatoes in milk, especially in small pieces (slices or cubes) for a gratin for example, a surprisingly abundant white foam forms on the surface. Where does it come from?April 26th 20262,2895
Other pages you may also like
Fruits which can ruin your jelly
There are many ways of making a fruit mousse, but one of the simplest is to prepare a fruit jelly (basically a fresh fruit coulis with gelatine) and then mix this jelly before it sets completely with whipped cream. The result is perfect for filling a charlotte, for example. But do beware;...March 6th 201381 K4.0
The beautiful story of the croissants
As you may have already noticed, cooking, baking and pastry-making are full of stories or legends, usually very romantic, about this or that product or recipe. This is often the case for named recipes, for example tarte tatin, peach melba, paris-brest and many others, but it also applies to very...October 10th 201822 K5
Too much sweet and savoury
There is a food trend which is creeping in everywhere in France right now: mixing sweet with savoury. In some restaurants, it is becoming difficult to order a classic dish, like “roast veal” for instance, without being served fruits in the garnish or honey/conserves/syrup in the sauce or cooked...November 3rd 201129 K4.5
Different kinds of pastry and dough
When cooking in general, and particularly in baking, we can make and use many different kinds of pastry and dough. All built on the same "base": flour - a powder to which we add fat, liquid or both to produce the dough which is then cooked. .November 6th 2012113 K 14.0
What can I use for blind baking a pastry case?
When it comes to home-made desserts, tarts are always popular. They can be divided into two basic types: those cooked with their filling, such as an apricot and almond cream tart, and those where the filling is added after baking the pastry case, such as a strawberry tart or chocolate tart. For...May 2nd 2017114 K4.5
Post a comment or question
Follow this page
Receive an e-mail as soon as this page is modified or receives a new comment.
We'll never share your e-mail address with anyone else.
Alternatively: you can subscribe to the mailing list of cooling-ez.com , you will receive a e-mail for each new recipe published on the site.