Focaccia Bread

1 pkg (2 1/4 tsp) dry yeast
1 cup mashed potatoes
1 1/2 cup warm water
4 cup bread flour
1 t salt
6 Tbs. olive oil
1 tsp dried rosemary
1 tsp dried oregano
parmesan cheese for topping

Disolve yeast in 1/2 cup warm water and let sit 10 minutes. In large bowl combine rest of ingredients. Mix well and turn onto work surface. Knead in an additional 1 cup of flour(or until no longer sticky). Place in oiled bowl covered for 1 hour. Punch down and place on stone or pan dimple top with finger and add topping. Cook at 425 for 20 minutes until golden brown.