Nigella Lawson Bake Triple Chocolate Brownies

Ingredient:

12 oz bittersweet dark chocolate
3 stick of butter ( heat on the stove )
6 eggs ( off heat add one by one)
1 table spoon of vanilla
1 tea spoon of salt
1 and ¾ cups of sugar
1 and ½ cups all purpose flour
½ cup dark choc chips
½ cup white choc chips

Bake for 25 minutes in 350F.