Bearnaise Bread

Ingredients
2 1/4 teaspoons yeast
2 1/4 cups plus 1 tablespoon bread flour
3/4 cup whole wheat flour
3 tablespoons wheat germ
1 1/2 tablespoons granulated sugar
1 1/2 teaspoons salt
1 1/2 tablespoons dried tarragon
2 1/4 teaspoons sharp Dijon mustard
1/4 teaspoon ground black pepper
3 tablespoons oil
1 egg
1/4 cup plus 2 tablespoons tarragon vinegar
1 cup water