Melt 2 cups semisweet chocolate chips and 1 stick butter in a saucepan over low heat, stirring. Off the heat, whisk in ¾ cup each light brown sugar and granulated sugar; cool slightly. Whisk in 4 eggs, one at a time, and 1 teaspoon vanilla. Stir in 1 cup flour and ½ teaspoon salt. Spread in the pan; bake 35-45 minutes.
|