Preheat oven to 450° F. Mix water and yeast in a mixing bowl. Add sour dough mix. Mix for one minute on low speed of mixer. Scrape sides of bowl. Mix for 30 seconds on medium speed. Place in pan and let rise until double in size.
Squeeze into pans and let rise second time until double in size. Place in a 450° F oven for 18 minutes. Rotate pans and leave in oven for 3 additional minutes. Let cool to 80° F and place in bags to store.Makes 8 six ounce buns Source: