Sourdough Brownies - cooking recipe

Ingredients

1 c. thick sourdough starter
1/2 c. flour
1/4 c. dry milk
2/3 c. shortening or margarine
6 sq. baking chocolate
2 c. sugar
2 tsp. vanilla
1/2 tsp. salt
1 tsp. soda
4 eggs, at room temperature
1 c. walnuts, chopped

Preparation

Mix
together
the
starter, flour and dry milk.
Cover bowl with
plastic
wrap;
set in warm place for 2 to 3 hours until
it smells
yeasty.
Melt
together
the shortening and chocolate over low heat or in microwave.
Add sugar, vanilla, salt
and soda;
beat well.
Add eggs, one at a time, beating well
after each.
Add nuts.
Combine with sourdough mixture; beat
well. Pour
into\tgreased
and floured 10 x 15 x 1-inch pan.
Bake
at 350\u00b0
for
30
to
40 minutes (until toothpick inserted
in center comes out clean).
If desired, frost with prepared chocolate frosting.