Brownies
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Mix:

2 c white sugar
1 1/2 c all purpose flour
1 c butter, melted (or soft)
4 eggs
1/2 c cocoa powder
1 tsp vanilla
1/2 tsp baking powder
1/2 tsp salt
1/2 cup chopped walnuts (or not)

Grease a 9x13 pan, pour in mix, bake at 350F for 20-30 min