Philly Cheesesteak Pinwheels


4 Steak Umms (Sliced Steak)
1 sheet frozen puff pastry, thawed
1 tbs. extra virgin olive oil
1 small onion, thinly sliced and chopped
1/2 green bell pepper, thinly sliced and chopped
salt, to taste
pepper, to taste
garlic powder, to taste
1/3 cup shredded cheese, provolone or smoked mozzarella will do
1 tbs. water
1 egg