Equal amounts flour and butter. For future inquiries, it is spelled roux.
No. They used regular flour.
No you cant use yeast to make rice but you can use it to make bread i think. Who would use yeast when making rice? Yes, you can use yeast in a similar manner with rice flour as you do with flour that's made from wheat.
Yes you can. i believe it is the best way.
The function of rice flour in biscuit making is to make the biscuit crumbley and to add texture. Rice flour is good for people who live on a Gluten free diet therefore it is also a healthier option.
yes
They're both starch. You use the same amount.
No you use self rasing flour in cakes
yes. corn, flour, rice, etc...
Mitarashi dango is traditionally made using glutinous rice flour (mochi flour), which gives it the desired chewy texture. While you can technically use normal rice flour, the result will differ significantly, resulting in a less chewy and more crumbly texture. For the best results, it's recommended to stick with glutinous rice flour to achieve the authentic taste and consistency.
the best flour to use would be all-purpose flour.
rice flour is just a more finer grinded product whilst rice powder is not grinded to the finest so the point is it's nearly the same thing just grinded differently. hope that helps :)
Usually you can, yes.