You can use a pre-made pizza crust, but I like to make my own dough. My dough recipe is good for pizza too, and only contains 2 ingredients, flour and plain Greek yogurt in equal amounts. I use about 2 cups of each, combine them until well mixed, then fold/knead until it’s a uniform consistency. Don’t over-work your dough!
Preheat your oven to 375 and grease or oil a 1/2 sheet. Saute 1/2 cup of diced green peppers, 1/2 cup of mushrooms, and 1/2 cup of diced onions.
Spread the dough out evenly on the cookie sheet thingie, and lightly sprinkle the dough with garlic powder or granulated garlic. Fold some slices of a good deli ham in half and lay out a row of them in the middle of the dough, overlapping them 50% each time. Next, put a row of sandwich size hard salami on top of that, overlapping them too. Now add a layer of pepperoni on top of that.
Cover all that with a generous layer of mozzarella, then slap the veggies on top of everything. Add another layer of ham, then some more cheese. Now flop the sides over your pile of fillings so you end up with a big long loaf of bread looking thing. The side layers should overlap some. Then pat the top down good so it sticks together, and use a serrated knife to make 3 or 4 diagonal slashes in the dough. This will let steam out because we want it to bake, not steam.
Beat an egg and add a little water and beat it some more. Brush this over the stromboli, and make sure you cover all exposed surfaces. I like to sprinkle a little freshly grated pecorino romano on top, savages may use that parmesan flavored sawdust that comes in a plastic jar if that’s all they have.
Bake this for about 30 minutes, or until the top starts to brown, then let it sit for 10-15 minutes. Then slice it up and eat it!
I usual;ly serve a little tomato sauce on the side for dipping. I use a can of diced tomatoes, a tablespoon of sugar, 1/2 teaspoon of salt, 3-4 cloves of fresh garlic (minced), a little pecorino romano, some diced onion, pepper, basil, and oregano. If you start this when the stromboli goes into the oven and let it simmer, it will be done by the time the stromboli is ready to eat.