pre heat oven to °400

for bread combine yeast and warm water

add flour gradually

when your about half way add the diced onion, Rosemary and 1 ts. salt.

when all flour is used the dough should be a little wet.place in a greased bowl, cover with plastic wrap and let rise for an hour

meanwhile cook chicken in a pan with a little oil and prepare the Alfredo sauce

for Alfredo sauce, melt butter in a small pot with garlic add cream and parm cook until desired thickness season with salt , pepper, and garlic powder

place dough on a well greased half sheet pan. flatten dough to all corners (if dough is being temperamental oil the top of the dough cover with clear wrap and place a second sheet pan on top and press it until the dough is flat to all edges) and bake for 10 minutes

take out of oven and start topping the bread with alfedo, chicken and mozzarella

bake for an additional 10minutes or until preferred doneness