Marbleized Brownies - cooking recipe

Ingredients

1/2 c. butter
6 Tbsp. white sugar
6 Tbsp. brown sugar
1 egg
1 tsp. vanilla
1 c. flour
1/2 tsp. salt
1/2 tsp. soda
1 c. chips

Preparation

Cream butter until fluffy.
Cream sugar with butter.
Beat in egg and vanilla.
Beat until light and fluffy.
Mix together flour, soda and salt.
Add to previous mixture.