Well, I kinda stepped in it last time: I have said time-and-time again that cooking is NOT a science…it is an ART. Last time I made reference to “the science of cooking”. I got a few comments from people who wondered why I was talking about “science”, when I have always said cooking ISN’T science… OK, let me bust a few definitions for ya (start the hip-hop rhythm for me here)
COOKING is the act of heating food and ingredients for a desired result.
BAKING, on the other hand IS a very scientific process of combining ingredients, with a desired chemical result (batter or bread rising, etc), and IS dependant on exact “scientific” measurements.
If you are baking bread, or a cake, you need correct ratios of liquid (in the form of milk, water, eggs, oils, etc) and dry ingredients PLUS leavening (except for ethnic breads like Jewish breads or tortillas). I can actually GIVE you a recipe to make your own baking powder, but that is too scientific for this discussion.
Cooking, whether on a stove, in a slow cooker, over an open fire, or on the grill depend LESS upon EXACTS… and you can adjust things as you go along, to correct thickness, or flavors. THAT is where the ART is!
The reason the whole topic of cooking “science” came up, was because I was making a meatloaf on the grill, and my coals had slowed down to between 250-300° F / 121-149° C, and I knew my mentioning that would concern you, my astute and curious students. Unfortunately, with the invention of the thermostatically controlled oven, we have become accustomed to simply turning the dial to 350°F / 177°C, and walking away. BUT, what do you suppose the absolute MINIMUM cooking temp REALLY is?
Let’s review our 5th grade science… pure water, at “sea level”, freezes at 32° F / 0° C, at which point it turns from a liquid, into a solid (actually “crystalline solid” according to my sister, the World’s Greatest science teacher) Water boils at 212° F / 100° C, at which point it goes from being a liquid, and becomes a gas, in the form of steam. So, with that knowledge refreshed in our memories… what do you think the ABSOLUTE lowest temp at which you can cook and food will be “done” is? 212° F / 100° C! All you NEED to do is “boil” the water molecules in your food, to produce cooked results!
In reality, slow-cookers (i.e. “crock-pots”) can cook at even lower temps… 165-170° F… and as we remember, beef only needs to be at that temp in the center to be considered safe to eat… but slow-cookers, by very definition, take a LONG time.
The bottom line is THIS: 400° F / 205° C will cook FASTER, but low and slow will actually cook it better, with better flavor results! Cooking should NOT be a race, but a slow, enjoyable river cruise, with the destination being a tasty meal at the end!
So, back to my aforementioned meatloaf, it took 2 hrs to finish cooking, but, the results were SO worth it!
I will throw one more hunk of bait out here, to see if anyone bites, and if they do, I will do an article about it: paper burns at 451° F / 233° C. The significance of that is, all around the world, in 3rd world countries and in remote outback areas, survival camps and Boy Scout camps, people build solar ovens out of commonly discarded materials. Namely cardboard boxes, aluminum foil and clear plastic. An oven constructed of these materials can cook food, and in many cases is the only thing that allows people to drink what would be normally contaminated local water supplies. They can sterilize the water by boiling it, but the oven does not get so hot that it burns the cardboard from which it is built. Again, proving what I am saying about food cooking at lower than expected temps.
Here is a simple and quick potato recipe I dreamed up while laying in bed. I was hungry, and this just sounded good to me. I made it today, and it was every bit as tasty as it sounded. It’s simple, and it’s easy… Oh and 100% vegetarian!
Ingredients:
1 or 2 medium potatoes per person
A medium or large sweet onion
Olive or Canola Oil
Apple cider or sake vinegar
Seasoning of your choice (I used Mrs. Dash Lemon Pepper and Herbs)
(optional) A few drops of sesame oil
1. Start your charcoal in your chimney
2. Scrub the potatoes, leaving the skins on
3. Slice the potatoes length ways, abt ¼ inch thick
4. Put the slices into a bowl large enough to hold them all and have room enough to stir them.
5. Drizzle enough oil over the slices to coat them (I also added a few drops of sesame oil because I had it on hand from Chinese cooking… I LOVE the smell and taste)
6. Do the same with a couple tablespoons of the vinegar
7. Sprinkle with dry seasoning
8. Gently stir them with a spoon (gently, so as not to break them). Do this a few times at a few minute intervals, until all of the slices are coated with oil and spices.
9. Slice the onion across its equator into ¼ inch slices
10. Pour the coals out, spread them and place the cooking grate on the grill.
11. Place the sliced potatoes and onions over the heat, and close the lid. If you have any extra of the oil mixture in the bottom of the bowl, you can drizzle that on the potatoes on the grill. Warning: it may flare up if the oil drips onto the coals… On the other hand, you probably won’t miss your forearm hair, anyway.
12. Turn them after a few minutes, and you can keep turning them until they are a beautiful golden brown.
Here is one of those recipes that you can experiment with, and, in most cases, not mess up too badly. This is where the “art” of cooking begins. You can try adding minced garlic, different oils (although I wouldn’t recommend melted butter…butter burns too easily). You can also use any number of spices, or herbs.
I hope I didn’t bore you too badly with all the “science” talk. You can put your pencils down now, and the only test will be when you get out to the grill. Now get outside and cook something!
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