Bi-Cracky Bars
["1 3/4 c. flour", "1/2 tsp. salt", "1/4 tsp. baking soda", "3/4 c. margarine", "1 c. sugar", "2 eggs", "1/3 c. milk", "1 tsp. vanilla", "1 oz. unsweetened chocolate (Hershey's cocoa)", "3/4 c. chopped walnuts", "9 double graham crackers", "3/4 c. chocolate chips"]
["Cream the margarine and sugar.", "Add eggs and vanilla.", "Blend in dry ingredients with creamed mixture.", "Place 1/3 of the batter in a small bowl and add 1 ounce of unsweetened chocolate and walnuts.", "In 2/3 batter bowl, add the chocolate chips.", "Spread the 1/3 chocolate batter mixture in a well-greased 13 x 9 x 2-inch pan.", "Arrange graham crackers on top of chocolate batter, then spread white batter", "with chocolate chips on top of graham crackers.", "Bake at 375\u00b0 for 20 to 25 minutes.", "Cut into bars. Makes about 3 dozen."]
["flour", "salt", "baking soda", "margarine", "sugar", "eggs", "milk", "vanilla", "unsweetened chocolate", "walnuts", "crackers", "chocolate chips"]