Chewy Walnut Squares
["1 egg, unbeaten", "1 c. brown sugar, packed", "1 tsp. vanilla", "1/2 c. sifted flour", "1/4 tsp. baking soda", "1/4 tsp. salt", "1 c. coarsely chopped walnuts"]
["Grease an 8-inch square pan.", "Stir together the egg, brown sugar and vanilla.", "Quickly stir in flour, baking soda and salt. Add walnuts."]
["egg", "brown sugar", "vanilla", "flour", "baking soda", "salt", "walnuts"]