BEST Brownie EVER!

I'm picky about my brownies. I don't want them cakey or too densey. I've tried all kinds of brownie recipes NEVER satisfied. I was talking to my friend and she said she had the best, and she did!!
 from Wendy

 Fudgy Brownies

1 1/3 c flour
1 tsp baking powder
1/2 tsp salt
1 cup butter
2 cups sugar
4 eggs
1 1/2 tsp vanilla
1 cup cocoa

 Mix flour, baking powder, and salt in a bowl. Melt butter in a saucepan on low heat. Remove butter from heat and stir in cocoa. Add sugar eggs, and vanilla. Pour into dry ingredients and mix. Pour into greased 9x13 pan. Bake at 350 for 35-40 minutes.