If you've been cooking for some time, you know that you can take appropriate leftovers, throw them in a pot with some broth or juice and spices and make a pretty good soup. It's not so easy when baking or trying a new recipe, because proportions are crucial in those cases. That's why you need a slide rule as a kitchen tool. When you want use up that 3.3 ounces of horseradish before it gets old, and your recipe calls for 2 ounces, can you afford to double the recipe without ruining it? Now, I never learned to properly use a slide rule, and suffer the handicap of having to use math in the kitchen, but if you know what you're doing, a slide rule makes it much easier.
If you have no slide rule and would rather throw out the horseradish, the more interesting part of the article is how to compare recipes. Calculating the proportions of ingredients in different recipes will give you an idea of which recipe is spicier or runnier, and an idea of which ingredient proportions are important and which are up to your taste. Learn how to do this at Entropic Thoughts. -via Nag on the Lake
(Image credit: ArnoldReinhold)
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