Congo Bars
["2/3 c. oil", "2 1/4 c. brown sugar, packed", "3 eggs, beaten", "1 Tbsp. vanilla", "2 3/4 c. flour", "2 1/2 tsp. baking powder", "1/2 tsp. salt", "2 c. semi-sweet chocolate chips", "1 c. chopped nuts"]
["Mix; spread in a 13 x 11-inch greased and floured pan.", "Bake at 350\u00b0 for 30 minutes.", "Cut while warm."]
["oil", "brown sugar", "eggs", "vanilla", "flour", "baking powder", "salt", "semi-sweet chocolate chips", "nuts"]