4 eggs
2 c. sugar
1 c. melted butter
4 (1 oz.) sq. unsweetened chocolate, melted
2 tsp. vanilla
1 1/2 c. flour
1 tsp. baking powder
1 tsp. salt
1 c. chopped walnuts

Beat together eggs, sugar, butter and chocolate. Add vanilla, flour, baking powder and salt, mixing after each addition. Stir in nuts. Pour into greased and floured 9 x 13 pan.

Bake at 350°F for metal pan or 325°F for glass pan for 25 to 30 minutes. Test to see if done by using the toothpick test. Let cool for 45 minutes before cutting.