Toll House Mud Bars
["1 c. and 2 Tbsp. flour", "1/2 tsp. baking soda", "1/2 tsp. salt", "3/4 c. packed brown sugar", "1/2 c. softened butter", "1 tsp. vanilla", "1 egg", "12 oz. pkg. chocolate chips", "nuts"]
["Preheat oven to 350\u00b0.", "In bowl, combine flour, soda and salt; set aside.", "In bowl, beat brown sugar, butter and vanilla until creamy; add egg and beat well.", "Gradually add flour mixture.", "Stir in 1 1/3 cups chocolate chips and chopped nuts.", "Spread in foil lined 9-inch square baking pan.", "Bake for 23 to 25 minutes. Immediately sprinkle 2/3 cup chocolate chips over top.", "When morsels are shiny, spread evenly.", "Chill to set chocolate.", "Cut into 2 x 1-inch pieces.", "Makes 36 bars."]
["flour", "baking soda", "salt", "brown sugar", "butter", "vanilla", "egg", "chocolate chips", "nuts"]