The Lady and Sons' Chicken Potpie - Paula Deen

Ingredients

• 2 tablespoons extra virgin olive oil
• 2 1/2 pounds boneless
• salt and freshly ground pepper
• 1/3 cup unsalted butter 2/3 stick
• 1/2 small yellow onion
• 2 clove s garlic
• 1/3 cup All-purpose flour
• 4 cups heavy cream
• 2 chicken bouillon cubes
• 2 cups frozen green peas
• 2 cups cooked diced carrots
• Pinch ground nutmeg
• 1/4 cup Chopped fresh parsley
• All-purpose flour for dusting
• 1 sheet frozen puff pastry from a 17.5-ounce package
• 1 large egg