3/4 cup baking cocoa
1/2 teaspoon baking soda
2/3 cup butter or margarine, melted, divided
1/2 cup boiling water
2 cups sugar
2 eggs
1-1/3 cups all-purpose flour
1 teaspoon vanilla extract
1/4 teaspoon salt
1/2 cup coarsely chopped pecans
2 cups (12 ounces) semi-sweet chocolate chunks
In a large bowl, combine cocoa and baking soda; blend in 1/3 cup melted butter. Add boiling water; stir until well blended. Stir in sugar, eggs and remaining butter. Add flour, vanilla and salt. Stir in the pecans and chocolate chunks. Pour into a greased 13-in. x 9-in. x 2-in. baking pan. Bake at 350° for 35-40 minutes or until brownies begin to pull away from sides of pan. Cool.