3/4 c. flour
1/4 tsp. baking soda
1/4 tsp. salt
1/3 c. butter
1 1/4 c. sugar
2 tbsp. water
1 oz. unsweetened chocolate
12 oz. chips, divided
1 tsp. vanilla
2 eggs

Mix together flour, baking soda, and salt; set aside. Bring butter, sugar, water, and chocolate just to a boil, then remove from heat. Add half of chips to sugar mixture. Add eggs, one at a time. Blend in flour mixture. Add rest of chips. Bake at 325 degrees for 30 minutes in greased 9x14 inch pan.

My own recipe.