Kathryn's Fudge Brownies

2 c sugar
2/3 c cocoa
2/3 c  melted butter
4 eggs
1/2 tsp salt
1 1/2 c flour
1 tsp baking powder
2 tsp vanilla
2 c chopped nuts

Bake in a 9x13 greased pan at 350 for 25 minutes (or double it and put it in a jelly roll pan) Delicious!