Brownies
["2/3 c. flour", "1/2 tsp. baking powder", "1/3 c. oil", "6 Tbsp. cocoa", "1 c. sugar", "2 eggs, well beaten", "1 Tbsp. vanilla", "1 c. chopped nuts"]
["Mix and bake in an 8-inch square pan at 350\u00b0 for 25", "to 30 minutes."]
["flour", "baking powder", "oil", "cocoa", "sugar", "eggs", "vanilla", "nuts"]