Polish Sourdough Rye Bread Recipe (Chleb Na Zakwas Zytni) Recipe

Ingredients (10)

• 4 tablespoons medium rye flour
• 3 tablespoons warm milk
• 4 cups medium rye flour
• 4 cups all-purpose flour
• 1 tablespoon salt
• 1 (0.25-ounce) packet instant yeast , or 2 1/4 teaspoons
• 2 tablespoons unsalted butter , softened
• 2 1/2 cups warm water
• 1 large egg white , at room temperature, beaten
• 1 tablespoon caraway seeds