Chewy chocolate brownies recipe

4 oz Unsweetened baking chocolate
3/4 c Butter or margarine
2 ts Vanilla
2 c Sugar
4 Eggs
1 1/2 c All-purpose flour, sifted
1 c Pecans, chopped
Preheat oven to 375 degrees F. Butter a 12"x8" pan. Melt chocolate with butter over low heat, stirring constantly; or melt in microwave bowl, HIGH for 1-1 1/2 minute. Remove from heat and stir in vanilla. Set aside. In large bowl, cream sugar and eggs about 5-6 minutes until sugar is dissolved. Fold chocolate, flour and nuts into sugar mixture, just until well belnded.
Pour into prepared pan. Bake for 25-35 minutes. Cool. Frost with your favorite frosting. Refrigerate about 1 hour; cut into squares. Garnish with pecans if desired. Store in refrigerator.