Prepare the pie crust dough and divide it in half

Roll out one piece and place it in a deep dish nine-inch pie plate

Roll out the other half and reserve it for the top crust

Crumble the sausage in a skillet, add the olive oil, and saute it until the meat loses its pink color, about five or ten minutes

Remove the meat with a slotted spoon and set it aside

In the oil and sausage drippings saute the onion, garlic, and chopped peppers until they are crisp-tender

Remove them with a slotted spoon

Discard the grease

In a bowl mix together the sausage, pepperoni, salami, onions, peppers, and chopped olives

Add salt and pepper to taste

Spread a thin layer of mozzarella on the bottom crust

Add about a third of the meat mixture and spread it evenly over the cheese

Dot with about a third of the spaghetti sauce and then sprinkle on a third of the Parmesan cheese

Repeat the layering process, ending with a layer of mozzarella cheese

Place the top crust over the filling and press with a fork to seal the edges

Brush the top with cold water and bake in a preheated 350?F

oven for thirty-five minutes or until the top is golden.