Given the background description of some cooking related query, summarize the question into a title

[EX Q]: I have a couple of old pots and pans laying around in the house and unfortunately I don't have the original box. Is there an easy way to tell if they are safe to use in the oven? Like for stainless steel or non-stick pans are they generally safe to use in the oven? Maybe only for certain temperatures?
[EX A]: Is there an easy way to tell if a pan/pot is oven-safe?

[EX Q]: My wife's chicken cake recipe calls for mayonnaise as one of the batter ingredients. In my opinion, mayonnaise is completely unsuitable for high-temperature processing (as in baking), but I was unable to come up with a substitute for it.So, my question is, what can we put into cake batter instead of mayonnaise?Update: I think mayonnaise is unsuitable for baking because it is an emulsion which separates into its ingredients when heated, emulsifying agents used in a commercial mayo are not particularly healthy, and mayonnaise does not taste any good when it is broken into its components.The components of the batter are: 6 table spoons of flour, 3 eggs, 200gram mayo, 200gram sour cream. The components of the filling are: chopped prepared chicken meat, chopped sauteed onions, boiled eggs, etc.
[EX A]: Mayonnaise substitute in cake batter

[EX Q]: I am trying to make packets of instant pudding that do not need heating, in order to thicken the mix to form a cold dessert. Some sanity has to be found in my kitchen, as most foods are home cooked because of my allergies.I have attempted to test rice paper and tapioca flour (Australian brand and Chinese or East Asian product), potato starch, and puffed amaranth breakfast cereal, thinking that some value or gel might result from my efforts. (It has not.)Inquiries regarding pre-gelatinised products result in blunt dismissal, as those products here in Australia are reserved exclusively for medical reasons to celiacs or patients with problems swallowing, and supply is restricted to local chemists.Is the supply of these products restricted by requirements for a doctor's prescription? If not, how or where can I obtain them?
[EX A]:
Is there a product available that is pre-gelatinized starch and what product name is it sold with?