Thanksgiving Mushroom-Sausage Stuffing – Simmer + Sauce

Ingredients

• 4-5 slices of stale white bread, torn into small pieces
• One (14-ounce) package of herb-seasoned classic dried stuffing
• One (16-ounce) package of pork sausage
• 6 teaspoons Extra Virgin olive oil, divided
• 5 stalks celery, small dice
• 1 small yellow onion, small dice
• 2 leeks, white and pale green parts only, small dice
• 2 teaspoons fresh thyme, stems removed, finely chopped
• 1 teaspoon salt
• 1/2 teaspoon freshly black pepper
• 1/4 teaspoon poultry seasoning
• 1 teaspoon onion powder
• 3 tablespoons unsalted butter, melted
• 1 bunch fresh parsley, finely chopped