What is the amount of expiation for an oath, and is it permissible to adopt the easier opinion (madd) despite having previously given 750 grams to four people, and is it permissible to give uncooked pasta as expiation?

The amount given to the needy as expiation for an oath is one mudd of any food according to the Shafi'i and Maliki schools, and this is what we issue fatwas by. The amount of a mudd is approximately 750 grams. It is permissible to give pasta as expiation, even if it is uncooked.