German Sourdough Bread (No Bread Machine) - cooking recipe

Ingredients

for sourdough
2 (1/4 ounce) packages dry yeast
1 cup water
1 cup flour (one half can be rye flour)
for dough
1 1/2 cups water
2 teaspoons salt
2 tablespoons oil
4 1/2 cups flour (one third can be rye flour)
flour

Preparation

sourdough:
mix yeast with warm water.
mix yeast mixture with flour.
let stand for 24 hours at a warm place.
dough:
mix sourdough with warm water, salt, oil and flour.
knead until smooth and allow to rise for 30 minutes at a warm place.
knead dough and shape into loaf.
Place loaf on a cookiesheet and let 30 minutes rise.
cut 2-3 1/4 inch deep slashes into loaf.
preheat oven to 400 degrees fahrenheit and bake for 1 hour.