Frozen, you have a couple of months -- perhaps more. In a cold fridge (<42F) you can keep they a day or three, covered tightly so they don't dehydrate too much, or pick up flavors from the other foods. Much more than that -- consider new eggs :}
I might think a day or maybe, two if tightly covered and kept in the refrigerator. Salmonella poisoning is serious and therefore, why you should not leave eggs or yokes out of refrigeration for any length of time longer than you have to. Best if used as soon as you open the egg. Answer is not professional, just years of cooking and assumming it has been refrigerated, that is. I have never gotten or made anyone sick based on common sense use of ingredients and taking into consideration their life expectency.
cooking on propane has nothing to do with it. The reason your egg yolks turn is because they eggs have been cooked too long.
It is chalaza, but it is basically just a thicker part of the egg white, its function is to keep the yolk in the center of the egg
yolks - like egg yolks
Yes! The yolks have nutrition and energy for you.
Nothing, I'm afraid. Egg yolks are very niche in their properties, as such they have no good substitutes.
It is a richer custard if you use just yolks. But you can use more yolks than whites and it will still be yummy.
Egg yolks and oil. Usually a little vinegar or lemon juice is also added for flavor.
7
no
nope
Yema is Spanish for egg yolks, but it also is the name for a traditional Spanish confection made from egg yolks and sugar. They are very popular in parts of Spain and sometimes are referred to in the U.S. as candied egg yolks.
Two medium egg yolks can be used to make one large yolk.