1 tbsp. butter
1/2 c. evaporated milk
1/4 tsp. salt
1/2 c. brown sugar
1 (3 oz.) pkg. chocolate pudding mix
1 1/2 c. powdered sugar
1/2 tsp. vanilla
1 c. broken walnuts

Melt butter in a heavy saucepan over low heat. Add milk, salt, sugar, and pudding mix; blend. Bring to a bubbling boil and boil for 3 minutes, stirring constantly. Remove from heat and add powdered sugar. Stir until well blended. Add vanilla and nuts. Pour into a loaf pan. Chill and cut into squares.