I'm afraid not. On a basic level, sugar dissolves in water (up to a point) and tastes sweet, whereas all-purpose flour does not dissolve in water and has a completely different taste. Also, flour absorbs much more water than icing sugar. This means that flour and icing sugar have very different properties and so are not interchangeable in baking.
Also, I should point out that eating uncooked flour (which, I guess may happen if you attempt to use it for fondant) is not considered to be very good for you.
Knead more powdered sugar into the fondant until it's not sticky, but still pliable. Add a small amount of the powdered sugar at a time, so you don't use more than necessary, or the fondant will get dry and difficult to work with.
Usually you can, yes.
When you are baking cakes and pastries which are cream based then its must to use refined flour
Yes, but things like flavor and consistancy will be different.
Yes, it generally won't matter.
Yes, it is possible to use wheat flour instead of all-purpose flour in this recipe, but the texture and taste of the final product may be slightly different due to the differences in protein content and gluten levels between the two types of flour.
Yes, it is possible to use whole wheat flour instead of all-purpose flour in this recipe, but the texture and taste of the final product may be different due to the higher fiber content and denser nature of whole wheat flour.
Yes, you can use all purpose flour in place of almond flour. However, the resulting cookies would not be macaroons, but simple cookies without much flavor.
Yes, you can generally use wheat flour instead of all-purpose flour in most recipes, but keep in mind that wheat flour may result in a denser or chewier texture due to its higher protein content. Adjustments may be needed in the recipe to account for this difference.
Yes, unbleached flour can be used in just about anything that calls for flour.
To make banana bread using bread flour instead of all-purpose flour, use the same ingredients as a traditional banana bread recipe but substitute the all-purpose flour with bread flour. The bread flour will give the banana bread a chewier texture and slightly denser crumb. Be sure to mix the ingredients thoroughly and bake at the same temperature and time as the original recipe.
Yes, assuming that by "plain flour" you mean all-purpose flour. Because all three sound like the exact same thing.