- 2/3 cup butter
- 1 1/2 cups sugar
- 1/4 cup water
- 4 cups semisweet chocolate chips, divided
- 2 teaspoons vanilla extract
- 4 eggs
- 1 1/2 cups all-purpose flour
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
- In a heavy saucepan, bring butter, sugar and water to a boil, stirring constantly. Remove from the heat. Stir in 2 cups of chocolate chips until melted; cool slightly. Beat in vanilla. In a large mixing bowl, beat eggs. Gradually add chocolate mixture; mix well. Combine the flour, baking soda and salt; gradually add to chocolate mixture. Stir in remaining chocolate chips. Spread into a greased 13-in. x 9-in. x 2-in. baking pan. Bake at 325 degrees F for 35-40 minutes or until a toothpick inserted near the center comes out clean. Cool on a wire rack. Cut into bars.