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1
Preheat the oven to 400 F. Grease two cookie sheets and set aside.
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2
Heat one tablespoon of olive oil in a large skillet over medium heat.
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3
Add the peppers and onions to the pan and saute until they start to soften.
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4
Then add the mushrooms and continue to saute until everything is cooked through and lightly browned.
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5
Remove the vegetables from the pan and set aside.
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6
Add the turkey sausage to the pan and break it up with a wooden spoon.
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7
Saute the sausage until cooked through and browned.
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8
Drain any excess grease from the pan.
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9
Separate the yolk from the egg and add it into a small bowl.
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10
Reserve egg white and set aside.
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11
To the egg yolk add the grated Parmesan cheese, garlic powder, parsley and oregano.
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12
Stir until combined.
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13
Unroll the pizza dough on one of the greased cookie sheets.
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14
Press it into an even, thin layer.
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15
Distribute the Parmesan cheese and egg mixture evenly across the dough.
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16
Down the middle third of the dough sprinkle half of the mozzarella cheese, top the cheese with the sauteed vegetables and turkey sausage, sprinkle remaining cheese over the vegetables.
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17
Fold the dough over the filling and pinch the seams to secure.
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18
Place the second greased cookie sheet over the bottom of the stromboli.
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19
Hold both pans together and flip them over (so that the dough seams are now on the bottom side) and remove the top pan, taking care to not rip the dough.
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20
Lightly beat the egg white with a fork and brush it over the top of the stromboli using a pastry brush.
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21
Sprinkle garlic salt and dried parsley over the top, if desired.
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22
Bake in the oven for 12-18 minutes, or until the top is golden brown.
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23
Allow to cool slightly before slicing.
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24
Serve with pizza sauce for dipping.
