2
votes
1answer
150 views

What makes lye food grade?

I've been looking around for lye to make pretzels and found few solutions for food grade lye. I want to continue using lye in my baking and would like to make my own lye going forward. The process ...
2
votes
2answers
108 views

When do you hear the Ping sound of the lid sealing?

I am new to canning. I made applesauce this morning and I pulled them out of the water bath and put them on a towel on my counter to seal, but I never heard the "ping" sound of them sealing shut. When ...
3
votes
1answer
108 views

How does irradiated beef spoil?

So I usually buy irradiated beef. From what I understand, the beef is packaged, sealed, and the absolutely blasted with radiation. I'm a nuclear engineer for a living, so I know that most things ...
3
votes
2answers
1k views

How do food producers determine expiration dates on products and ingredients?

It is well known that food expiration dates are somewhat arbitrary. For some foods, they are much more important than others -- for example, you can pretty easily tell on your own if milk has gone bad ...
6
votes
1answer
147 views

Detergent Contamination of Processed Foods

Today I bought a Jack Links beef jerky from a vending machine, and when I bit into it I got a distinct taste of something acrid and soapy. As far as I could tell the packaging was not damaged and the ...
4
votes
2answers
653 views

Why isn't a Sourdough starter unsanitary?

Letting a bowl of flour and water go bad in a warm corner seems problematic at best. I'm willing to believe there is some process that goes on to limit pathogens, but reading around this doesn't seem ...
11
votes
1answer
2k views

Room temperature “rest” for fresh mayo?

On the mayonnaise episode of Good Eats, Alton Brown recommends letting homemade mayo sit at room temperature for 4-8 hours before refrigerating. The idea is to let the acid in the mayo kill any ...
3
votes
4answers
3k views

Why do Duck eggs have longer expiry than Chicken Eggs?

Duck eggs seem to get about a 6-week extension on their expiry date over Chicken eggs. (the latest pack I bought yesterday expire May 25th, where as the Chicken Eggs at best were Mid-April). Why is ...
4
votes
5answers
11k views

What happens if I brine my turkey for 2 days?

I have a logistical problem that leaves me with no fridge room for 2 days before Thanksgiving... I always brine my turkey, so I don't have any questions about that, but typically it's only an 8 - 10 ...
0
votes
1answer
1k views

How does meat nutritional profile change in freezing?

My teacher said that you cannot stop fats going bad with freezing. So fatty meat is not good idea to freeze over a long time. Are there other factors to consider in freezing meat?
25
votes
5answers
17k views

Is “until juices run clear” a valid test for poultry doneness? Why or why not?

I've come across this particular recommendation many times in various recipes and cookbooks and probably even given it out myself once or twice. Poultry is sufficiently cooked when the juices run ...
11
votes
2answers
739 views

How does salmonella get into eggs?

Since a few hundred million eggs have been recalled, I'm wondering how salmonella gets into eggs in the first place. Is it getting on the shells from the environment (or the hen)? Is it inside the ...
18
votes
1answer
5k views

Garlic turning green?

When I try to make garlic bread or, in general, something where the garlic is not in a liquid, it sometimes turns green while cooking! It's worth noting that the taste doesn't seem to really be "off", ...