1 1/2 c. warm water
1 tbsp. yeast
1 c. starter
3 c. flour
2 tsp. sugar
2 tsp. salt
1 tsp. baking soda
2 additional c. flour

Dissolve yeast in warm water. Mix in starter. Add 3 cups flour, sugar and salt. Add vigorously 2-3 minutes. Cover with cloth. Set in warm place 1 1/2 - 2 hours or until doubled.

Mix baking soda with 1 cup remaining flour and stir in (dough stiff). Turn out on floured board and knead using remaining 1 cup flour (or more) until satiny (5-10 minute).

2 oblong or 1 large round.

Place on lightly greased pan. Cover with cloth in warm place free from drafts. Let rise 1-2 hours (doubled). Before baking brush outside with water and make diagonal slashes across top (single edged razor blade). Put shallow pan hot water in bottom of oven. 400 degrees for 45 minutes or until crust is medium dark brown.