Put the pearl onions in a large bowl.
Add carrots and potatoes to a medium pan of boiling water; simmer for about 10 minutes, or until tender; drain and add to the onions.
In a skillet, melt 2 tablespoons of butter over medium heat; add in the leeks; stir/saute for 3 minutes, or until softened.
Add in the mushrooms; stir/saute for 3 minutes or until softened.
Add the leeks and mushrooms along with the cooking juices to the vegetables in the bowl; add in the peas, corn, and turkey; mix well and set aside.
Preheat oven to 400°; in a large saucepan, add the remaining 6 tablespoons butter over medium heat.
Sprinkle in the flour; cook, whisking constantly, for 3 minutes or until the roux is blond colored.
Slowly add the broth and half-and-half, whisking constantly, and whisk for about 3 more minutes, until the sauce is thickened and smooth.
Season to taste with salt and pepper; pour the sauce over the turkey mixture; add in the herbs and mix well; taste for seasoning and adjust.
Butter a 9x13 inch 2-inch deep casserole; pour the turkey mixture into the casserole.
If necessary, roll out the pastry on a lightly floured surface to a 14x10 inch rectangle; brush the rim of the casserole dish with water.
Cover the filling with pastry, pressing it against the rim of the dish; make 3 slashes in the pastry.
Brush the crust with the beaten egg.
Place the dish on a baking sheet and bake for 40-45 minutes, or until the filling is bubbling; sprinkle with parmesan cheese during the last 15 minutes of baking to brown the crust.
Let the potpie stand for 10 minutes before serving.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	785.77 Kcal (3290 kJ)
Calories from fat	351.02 Kcal
		% Daily Value*
Total Fat	39g	60%
Cholesterol	939.55mg	313%
Sodium	550.94mg	23%
Potassium	1303.98mg	28%
Total Carbs	45.47g	15%
Sugars	5.42g	22%
Dietary Fiber	4.7g	19%
Protein	63.26g	127%
Vitamin C	27.6mg	46%
Vitamin A	8.4mg	279%
Iron	149.6mg	831%
Calcium	194.8mg	19%

Amount Per 100 g
Calories	146.92 Kcal (615 kJ)
Calories from fat	65.63 Kcal
		% Daily Value*
Total Fat	7.29g	60%
Cholesterol	175.67mg	313%
Sodium	103.01mg	23%
Potassium	243.81mg	28%
Total Carbs	8.5g	15%
Sugars	1.01g	22%
Dietary Fiber	0.88g	19%
Protein	11.83g	127%
Vitamin C	5.2mg	46%
Vitamin A	1.6mg	279%
Iron	28mg	831%
Calcium	36.4mg	19%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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