Chocolate Chip Squares
["2 sticks soft margarine", "1 lb. brown sugar", "4 eggs", "1 tsp. vanilla", "3 c. flour", "3 tsp. baking powder", "1/2 tsp. salt", "1 (12 oz.) pkg. chocolate chips", "1/2 c. chopped nuts"]
["Cream the margarine and brown sugar. Add eggs and vanilla. Beat well. Combine and sift together flour, baking powder and salt. Add to first mixture along with the chocolate chips and nuts.", "Bake in a greased 15 1/2 x 10 1/2 x 1-inch jelly roll pan. The pan may be a little larger but shouldn't be any smaller.", "Bake at 350\u00b0 for 30 to 35 minutes."]
["margarine", "brown sugar", "eggs", "vanilla", "flour", "baking powder", "salt", "chocolate chips", "nuts"]