Chocolate Chip Bars
["1/3 c. shortening", "1/3 c. butter", "1/2 c. sugar", "1/2 c. brown sugar, packed", "1 egg", "1 tsp. vanilla", "1 1/2 c. flour", "1/2 tsp. soda", "1/2 tsp. salt", "1/2 c. chopped nuts", "1 (6 oz.) pkg. chocolate chips"]
["Heat oven to 350\u00b0.", "Mix butter, shortening, sugars, egg and vanilla thoroughly.", "Stir in remaining sifted dry ingredients. Spread in ungreased oblong pan (13 x 9 x 2-inch).", "Bake 20 to 25 minutes until done.", "Cool; cut into bars."]
["shortening", "butter", "sugar", "brown sugar", "egg", "vanilla", "flour", "soda", "salt", "nuts", "chocolate chips"]