All about the scientific theories behind food. Cooking myths debunked here.

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20
votes
3answers
2k views

How can I tell whether an egg has been hard-boiled, through the shell?

At my workplace, there's a mysterious carton of eggs in the common refrigerator. Nobody I've asked knows whether they're raw or cooked. Is there a way to tell, without cracking one of the eggs open?
9
votes
4answers
15k views

Why would cooked spinach contain more iron than raw?

I've been researching the nutrient content of various foods and I've found that cooked spinach appears to have more iron than raw spinach (3.57 mg / 100g vs 2.71 mg /100g). Intuitively, I would have ...
8
votes
3answers
323 views

Difference between natural and organic

For products such as bread, state they are either natural or organic, what is the difference?
7
votes
1answer
804 views

What is the purpose of a pressure cooker in a rice cooker?

Some of the more expensive rice cookers advertise that they use pressure in combination with induction to cook rice. On one Japanese website that sells rice cookers, they showed some diagrams that I ...
6
votes
3answers
9k views

what makes red tomato sauce turn orange in colour?

I have noticed that tomato sauce (having started with deep red tomatoes) can turn orange. The colour change isn't from mixing in an ingredient of different colour such as cream. It seems to occur in ...
6
votes
1answer
297 views

Does accidental vinegar have a culture that I can pass along?

Background: A couple of years ago we left a half drunk bottle of Sirah on the counter and it went to vinegar. A really nice vinegar with a pleasant, mild flavor, and we've been using splash here and a ...
5
votes
2answers
590 views

Why does Mexican food taste dissonant with balsamic vinegar?

I assayed an attempt at hot sauce the other day by cooking 3 pounds of peppers (jalapeno and hungarian wax) in olive oil and balsamic vinegar for about three hours, then throwing them in a blender. ...
4
votes
2answers
7k views

Minimum temperature for slow roasting almonds

I've read that almonds roasted slowly at lower temperatures are healthier, which seems to make sense to me. I found a couple of recipes suggesting 8hrs at 75 deg C or 4hrs at 95 deg C. With that ...
3
votes
1answer
2k views

What can I do to dry out my marshmallows?

The recipe that I used did not call for cornstarch or corn syrup. The result is that they are slightly wet. Can I do anything to dry them up, such as dusting them with corn flour? I did dredge them ...
1
vote
3answers
2k views

Garlic Overflow — Why won't my olive oil stay in its jug?

I'm the kind of chef who chops up whatever the local bazaar has that week, adds a random amount of seasonings until the color suits my fancy and then cooks it. Somehow. Most days I don't go hungry. ...
1
vote
2answers
2k views

What are ways to reduce cellulose in vegetables and fruits?

I (and some family members) have a medical condition that affects the ability to digest cellulose, so we have to avoid most fresh fruits and vegetables. We have found that cooking vegetables helps a ...