Melt butter and chocolate together and set aside. Beat eggs and sugar together. Add chocolate mixture and beat together.
Add flour and salt; beat together until smooth.
Fold in vanilla and nuts. Pour into an 8X8 pan, (I like a foil lined pan, sprayed with Pam).
Bake at 325 degrees for 35-40 minutes.
Let cool in the pan for about 20 minutes. Store in an air-tight container.
Submitted by: Bob Lee