Preheat oven to 325F.
In a small bowl, combine flour, baking soda,
and salt; set aside. In medium saucepan,
combine sugar, butter and water;
bring JUST TO A BOIL. Remove from heat.
Add mint-chocolate chips and vanilla extract;
stir until chips are melted and mixture is smooth.
Transfer to a large bowl.
Add eggs, 1 at a time, beating well after each addition.
Gradually blend in flour mixture. Stir in nuts.
Spread into a greased 13X9X2" baking pan.
Bake at 324F for 30 to 35 minutes.
Cool completely on wire rack, cut into 1 ½" squares.
Garnish with walnut halves, if desired.

Per Serving (excluding unknown items): 271 Calories;
16g Fat (50.6% calories from fat); 5g Protein;
29g Carbohydrate; 2g Dietary Fiber;
67mg Cholesterol; 235mg Sodium.
Exchanges: 1 Grain(Starch); 1/2 Lean Meat;
3 Fat; 1 Other Carbohydrates.