Step 1

Heat oven to 350°F. Grease 8-inch square baking pan.

Step 2

Combine butter, sugar and vanilla in bowl. Add eggs; beat well with spoon. Combine flour, cocoa, baking powder and salt; gradually add to egg mixture, beating until well blended. Spread batter evenly into prepared pan.

Step 3

Bake 40 to 45 minutes or until brownies begin to pull away from sides of pan. Cool completely in pan on wire rack. Cut into bars.