1/2 cup vegetable oil
1 cup white sugar
1 teaspoon vanilla extract
1/2 cup all-purpose flour
1/3 cup unsweetened cocoa powder
1/4 teaspoon baking powder
1/4 teaspoon salt
1/2 cup chopped walnuts (optional)
- Preheat oven to 350 degrees F (175 degrees C). Grease a 9x9 inch baking pan.
- In a medium bowl, mix together the oil, sugar, and vanilla. Beat in eggs. Combine flour, cocoa, baking powder, and salt; gradually stir into the egg mixture until well blended. Stir in walnuts, if desired. Spread the batter evenly into the prepared pan.
- Bake for 20 to 25 minutes, or until the brownie begins to pull away from edges of pan. Let cool on a wire rack before cutting into squares.