Amish Sourdough Bread Recipe

Ingredients (7)

• 1 (1/4-ounce) package active dry yeast
• 1 1/2 cups water (110 to 115 F)
• 6 to 7 cups all-purpose flour, divided
• 2 teaspoons salt
• 2 teaspoons sugar
• 1 cup friendship bread sourdough starter, at room temperature
• 1/2 teaspoon baking soda