Delicious Butterscotch Bars
["1/4 c. margarine", "1 egg, beaten", "1 tsp. baking powder", "1/2 c. chopped nuts", "1 c. brown sugar", "1/4 tsp. salt", "1 tsp. vanilla", "1 c. flour"]
["Melt margarine.", "Add brown sugar, beaten egg, vanilla and dry ingredients.", "Mix.", "Add nuts.", "Put into a greased and floured 8-inch square pan.", "Bake at 350\u00b0 for about 20 to 25 minutes.", "Do not overcook.", "Recipe can be doubled.", "When cool, frost."]
["margarine", "egg", "baking powder", "nuts", "brown sugar", "salt", "vanilla", "flour"]