4 eggs
2 c. sugar
1 c. butter
4 sqs. (1 oz. each) unsweetened chocolate
1 c. all-purpose flour, sifted
1 (6 oz.) pkg. semi-sweet chocolate chips

Preheat oven to 350 degrees F. Grease and flour a 12 inch x 8 inch baking pan; set aside.

Beat eggs and sugar together until thick and light and sugar is dissolved. Melt butter and chocolate pieces; cool slightly. Add to egg mixture; beat until well mixed. Mix in flour. Add chocolate chips. Spread evenly into baking pan. Bake for 35-45 minutes. (If using a glass pan, bake in a 325 degree oven.)