Quick and Easy Brownies

2 cups white sugar
1 cup butter
1/2 cup cocoa powder
1 teaspoon vanilla extract
4 eggs
1 1/2 cups flour
1/2 teaspoon baking powder
1/2 teaspoon salt
1/2 cup walnut halves (I left these out)

Melt the butter and mix all ingredients in order given.
Bake at 350 for 20-30 minutes in a 9X13 pan.

YUM!