Zwieback - cooking recipe

Ingredients

2 cups milk
1 cup butter (at room temperature)
2 1/4 teaspoons dry yeast
1/2 cup lukewarm water
1 teaspoon salt
1 teaspoon sugar
6 cups flour

Preparation

Dissolve yeast in lukewarm water and sugar; let rise.
Scald milk and allow to cool.
In a large bowl, combine milk, butter, yeast and salt.
Beat in enough flour to make a stiff batter.
Add more flour to make a smooth soft dough.
Knead well.
Cover and let rise until dough doubles in bulk.
Form buns the size of a large walnut.
Place a smaller bun on top of a larger one, and press down firmly with one finger so that the two stick together.
Place on a greased pan.
Let rise until doubled in bulk.
Bake in 350 F oven for about 15-20 minutes.