Recipe courtesy of the Mushroom Council.
The secret ingredients to this classic meatloaf is the addition of finely chopped mushrooms; they make it more flavorful and moist.
Preheat the oven to 350
In a large mixing bowl, combine mushrooms, turkey, onion, seasoning, breadcrumbs and egg; mix until evenly combined. Form into lightly greased loaf pan.
In a small bowl mix together mustard, sugar and ketchup.
Pour sauce over top of meatloaf, spreading until even. Cover with foil.
Bake for 60 minutes, or until cooked through.