Mrs. Fields Cookies

1 lb butter
2 c sugar
2 c brown sugar
4 eggs
2 tsp vanilla or almond
5 c oatmeal
3 tsp baking powder
2 tsp soda
4 1/2 c flour
2 c chocolate chips
nuts-opt

Mix well, everything but the flour.  Then add the flour and mix well.  Bake at 350 for about 10 minutes on a greased cookie sheet.  The bigger the cookie the better.