Ingredients

Starter:

1 packet active dry yeast

2 1/2 cups lukewarm water

2 cups sifted all-purpose flour

1 teaspoon salt

1 tablespoon sugar

Bread:

1 packet active dry yeast

1 1/2 cups warm water

1 cup starter batter

5 1/4 to 5 1/2 cups sifted all-purpose flour

2 teaspoons salt

2 teaspoons sugar

1/2 teaspoon baking soda

Preparation

For Starter:

Dissolve 1 packet active dry yeast in 1/2 cup lukewarm water. Add 2 cups more water and 2 cups sifted all-purpose flour, 1 teaspoon salt, and one tablespoon sugar. Beat til smooth. Let stand, uncovered, at room temperature for 3-5 days. Stir 2-3 times daily; cover at night. (Starter should have yeasty, not sour, smell.) Cover and refrigerate until ready to use.

Bread:

In large bowl, soften yeast in warm water (110 degrees). Blend in starter batter, salt, and sugar. Add 3 1/2 cups flour. Beat 3-4 minutes. Cover. Let rise until double (about 1 1/2 hours). Mix soda with 1 1/2 cups flour. Stir into dough. Turn out on lightly floured surface. Knead 8-10 minutes. Divide dough in half; cover and let rise 10 min. Shape into 2 loaves. Place on lightly greased baking sheets. With sharp knife, make diagonal gashes across top. Let rise til double. (1 1/2 hours). Bake at 400 degrees for 35-40 minutes. Brush with butter.

To keep starter:

Add 1/2 cup water, 1/2 cup sifted all-purpose flour, and 1 teaspoon sugar to leftover starter. let stand until bubbly and well fermented (at least one day). Store in refrigerator. If not used within 10 days, add 1 teaspoon sugar.