If you have not added the cream to the pastry, it is fine unrefrigerated, just cover the pastry until you are ready to add the cream and serve it. If you have added the cream to the pastry, then cover and refrigerate the pastries. I recommend waiting to add the cream until right before, or at most a few hours before serving, otherwise the pastry becomes soggy. It still tastes fine, you just won't have the crispy pastry.
yes
Yes anything with dairy in it should be refrigerated.
Yes. Ricotta cheese is perishable and needs to be refrigerated. This makes sense because it needs to be refrigerated before it is used as an ingredient in foods so it still needs to be refrigerated. Cream cheese icings on cake should also be refrigerated.
no way
Yes, soup should always be refrigerated after it is cooked or heated.
Peeling a potato removes the protective skin and then bacteria can get on the cooked potato, which is carbs, which is sugar, a food source for bacteria.
If homemade, caramel sauce will need to be refrigerated, due to the heavy cream and butter in the recipe. However, if it store-bought and processed, it should be ok to leave out unrefrigerated.
If it is an egg custard, it should be refrigerated.
Yes. It really should have been refrigerated before opening, too.
no they do not need to be refrigerated.
No. Raw, unpeeled potatoes do not need to be stored in the refrigerator.
Yes, tartar sauce is mainly mayonnaise so it's need to the handled the same way.
After you open a can of baked beans, you should refrigerate the leftovers in a separate container. (the opened can would rust in the fridge)