Tif'S Rock Bars - cooking recipe

Ingredients

1/2 c. butter
1/4 c. plus 2 Tbsp. sugar
1/4 c. plus 2 Tbsp. brown sugar
1 tsp. vanilla
1 egg
1 c. all-purpose flour
1/2 tsp. baking soda
1/2 tsp. salt
1/2 c. chopped walnuts
1 (6 oz.) pkg. semi-sweet chocolate chips

Preparation

Grease and flour a 9 x 13-inch pan.
In a large bowl, mix butter, both sugars and vanilla.
Beat in egg.
In a separate bowl, mix flour, soda and salt.
Mix both mixtures and add nuts. Spread batter into pan and sprinkle chocolate chips over the top. Bake in a 375\u00b0 oven for 1 minute.
Remove.
Use a knife to create a marble effect on top.
Return to oven for 13 to 16 minutes or until golden brown.