Instructions

1. 1
   Let the eggs and butter sit out for 30 minutes to bring to room temperature.
2. 2
   Preheat oven to 165°C (325°F).
3. 3
   In a small bowl, sift together the flour, baking soda, and salt. Set aside.
4. 4
   In a small saucepan combine butter, sugar, and water. Bring just to a boil then remove from heat.
5. 5
   Add half of the chocolate chips (6 oz) and vanilla. Stir until smooth and shiny.
6. 6
   Transfer the chocolate mixture into a large bowl.
7. 7
   Add eggs one at a time, beating well after each addition.
8. 8
   Gradually blend in flour mixture.
9. 9
   Stir in remaining chocolate chips and nuts if desired.
10. 10
    Spread in a greased 9-inch square pan.
11. 11
    Bake at 165°C (325°F) for 30–35 minutes.
12. 12
    Cool completely before cutting into 2¼-inch squares.