Congo Bars
["1 3/4 stick margarine, melted", "1 lb. brown sugar", "3 slightly beaten eggs", "1 tsp. vanilla", "2 3/4 c. plain flour", "1/2 tsp. salt", "2 tsp. baking powder", "1 c. chopped nuts", "1 c. chocolate chips"]
["Mix all ingredients and bake at 350\u00b0 on a cookie sheet with sides for 25 minutes.", "Cut."]
["margarine", "brown sugar", "eggs", "vanilla", "flour", "salt", "baking powder", "nuts", "chocolate chips"]