Irresistable Brownies

Directions

1. 1
   Preheat oven to 350°.
2. 2
   In 2 1/2 to 3-quart saucepan, over low heat, melt butter.
3. 3
   Remove from heat.
4. 4
   Add sugar, flour, cocoa, baking powder, salt, eggs and vanilla.
5. 5
   Stir with spoon until batter is well blended and smooth.
6. 6
   Stir in 1 1/2 cups of chocolate chips and nuts (if desired).
7. 7
   Spread into 13 x 9-inch pan.
8. 8
   Sprinkle with remaining 1/2 cup of chocolate chips.
9. 9
   Bake 30 to 35 minutes, until set.
10. 10
    Cool on wire rack.
11. 11
    Cut into 2 inch squares.