Does Alcohol Cook Out?

I found this today and I thought it was really interesting. I've always wondered and people have often asked, so if you're curious, it is very difficult to cook out all the alcohol.

Alcohol Burn-off Chart - http://homecooking.about.com/library/archive/blalcohol12.htm

The following chart data comes from the U.S. Department of Agriculture with information on how much alcohol remains in your food with specific cooking methods. Keep in mind that this is the percentage of alcohol remaining of the original addition.

For more detailed information and explanation, consult the full article on Cooking With Alcohol and Alcohol Substitutions, which includes important information about how much alcohol remains in cooked foods and caution when using alcohol in frozen foods, plus tips and hints to help you make the right substitution choice. For alcohol substitutions, consult the Alcohol Substitution Chart.

Alcohol Burn-off Chart
Preparation Method	Percent Retained
alcohol added to boiling liquid & removed from heat	85%
alcohol flamed	75%
no heat, stored overnight	70%
baked, 25 minutes, alcohol not stirred into mixture	45%
Baked/simmered dishes with alcohol stirred into mixture:
15 minutes cooking time	40%
30 minutes cooking time	35%
1 hour cooking time	25%
1.5 hours cooking time	20%
2 hours cooking time	10%
2.5 hours cooking time	5%