No; the point of the tempura is to fry it before the glutens are bonded, which makes it nice and crispy. Saving it would allow the glutens in the flour to bond.
Yes, you can. Dust the monkfish strips with a little flour and shake off the excess before dipping them into the batter. Carefully place the monkfish into some hot oil...
It best not to. If you do so, your pancakes won't rise well when you cook them. Let your batter stand for a few minutes and the batter will thicken,...
The short answer is "No." You really need to use the general process outlined above. First, get the old wallpaper off. Then, wash the walls with one of the mixtures...
Yes, you can store an excess of the paste in the refrigerator. Unless you freeze it, I would use the refrigerated left-over paste within three to four days.