Fantasy Brownie

Directions

1. 1
   Heat oven to 325.
2. 2
   Generously grease and flour a 9-inch square baking pan.
3. 3
   In the large bowl of an electric mixer, beat together butter and sugar until fluffy.
4. 4
   Add eggs one at a time, beating well after each addition.
5. 5
   Add chocolate and vanilla.
6. 6
   Beat until very fluffy.
7. 7
   Stir in flour, baking powder, and salt until uniformly combined.
8. 8
   Fold in walnuts.
9. 9
   Turn batter into prepared pan.
10. 10
    Bake until edges start to pull away from sides of pan, about 35 to 40 minutes.
11. 11
    Cool 5 minutes; with a sharp knife, cut into 9 squares.
12. 12
    Cool completely.
13. 13
    Serve plain or topped with ice cream and hot fudge sauce.