Marbled Chocolate Chip Bars - cooking recipe

Ingredients

1 cup butter
2 eggs
1 teaspoon baking soda
1 teaspoon salt
3/4 cup brown sugar
3/4 cup granulated sugar
1 teaspoon vanilla
1/2 teaspoon water (I know, sounds ridiculous, use your own discretion)
2 1/4 cups flour
1 cup nuts, chopped (optional)
1 -2 cup chocolate chips

Preparation

Beat first 8 ingredients together well.
Add flour; mix well.
Add nuts if desired.
Spread into greased 10x15 pan.
Sprinkle with chocolate chips.
Place in 375 oven for 3 minutes.
Remove from oven; swirl chocolate chips with a knife.
Return to oven; bake for an additional 15-18 minutes.