2 squares unsweetened chocolate
1/2 C (1 stick) butter
1 C sugar
2 eggs
1/2 tsp. vanilla
1 C chopped walnuts
1/4 C all-purpose flour
1/4 tsp. salt

2 squares unsweetened chocolate 1/2 C (1 stick) butter 1 C sugar 2 eggs 1/2 tsp vanilla 1 C chopped walnuts 1/4 C all-purpose flour 1/4 tsp salt

Melt the chocolate and butter over very low heat in a heavy saucepan.
Remove the pan from heat and stir in the sugar.
Beat in the eggs and vanilla.
Quickly stir in the nuts, flour, and salt.
Spread the batter in a greased square pan. You can use 8x8 or 9x9.
Put the cake in the oven for 30 minutes.