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Or, Why the same dish may taste different when different chefs cook it.

How many times have you cooked a steak or sautéed one of your favorite cuts of meat and felt it may have tasted better the time before, or perhaps this time was the best it's been? It may not be the meat but instead the Maillard reaction doing it's own game. The Maillard reaction , a complex reaction between sugars and amino acids, produces hundred of aromatic, flavorful by products. The Maillard reaction is not limited to meat or fish but to all foods that contain protein.

The main problem is that the Maillard reaction is both time and temperature dependent. This makes it nearly impossible to produce the exact same products every time the dish a cooked. For the expert chef who is keen on handling time and temperature, and knows what to look for when cooking, the taste may not be much different from one dish to another. However, to the home cook or beginning chef who does not take into account such variables as: change in meat thickness, time for searing, flame intensity etc., major differences from one dish to another can occur.

Differences may not only be due to Maillard reaction but to Caramelization which occurs when sugar is heated. As with the Maillard reaction numerous complex products are formed with many different flavors.

Crowding food prevents the Maillard reaction

Water is a foe to the Maillard reaction; it lowers the temperature of the system and greatly minimizes the reaction.

Using high heat may not guarantee flavorful Maillard reaction products if too much water is released from food. A classic example is shown below when mushrooms are sautéed using the same intensity of heat.

Overcrowded Portabello Mushrooms
Portabello's with Room=
More natural mushroom flavor but lacking depth and complexity
More savory, meaty and complex flavors

Portabello mushrooms were sautéed using olive oil over a medium-high flame in both cases. Crowding the pan as well as moving the mushrooms around will yield moisture from the mushrooms. This will lower the temperature and prevent proper browning (left side). When the mushrooms are allowed to sit in an uncrowded environment, water will evaporate and browning will occur. The end result is a golden, meaty, tasting mushroom thanks to a combination of Maillard and Caramelization reactions.

Grilled Portabello Mushrooms shown with Market Pheasant Sausage and Bitter Greens
 Because the Maillard Reaction is time and temperature dependent the flavors of mushroom cooked over an oven flame are different, as is the appearance.








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