The low conductivity of a utensil means that heat is not easily transmitted to all portions. Therefore, handling it during cooking would be very easy. Therefore, low thermal conductivity is also a preferred feature for utensils. Good heat conductors, such as copper and aluminum, respond to temperature changes.
They'll do whatever the heat source tells them to heat up, cool down almost instantly. For cooking acidic foods, such as tomato sauces, wine sauces, and fruit fillings, the pan coating should not be reactive. Instead of having a rack full of pots and pans of all shapes and sizes, having a few well-chosen pieces will give you the flexibility to cook whatever you want and the performance you need to cook it better. Heat flows more easily through a good heat conductor, ensuring rapid temperature equalization on the cooking surface.
When you have a frying pan full of chicken breasts resting on the sides of the pan, you'll want them to cook quickly and evenly, so the heat that comes from the sides of the pan matters. By the time the heat flows to the cooking surface, it will have spread evenly, because the heat diffuses as it flows. But their matching saucepan overcooked your last caramel because the pan was too heavy to weigh quickly once the sugar turned color. Paul Bertolli, contributing editor of Fine Cooking and chef at Oliveto restaurant in Oakland, California, has his Le Creuset enameled cast iron oval casserole dish for stewing meat because “it's a tight, closed cooking chamber with uniform heat that radiates down the sides for really good browning.
His knowledge of cooking techniques allows him to assess the social patterns involved in a culture's eating habits. Responsiveness is not as crucial to boiling, steaming, or the slow and prolonged cooking that broths and stews undergo.
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