Rach on the Radio - Tuna Surprise

Tuna Surprise

• 7 tablespoons butter, divided
• 1 1/2 cups panko breadcrumbs
• 1 cup grated Parmigiano-Reggiano cheese
• 1/4 cup chopped parsley
• 1 tablespoon EVOO – Extra Virgin Olive Oil
• 1 pound button mushrooms, very thinly sliced
• 1 large or 2 medium shallots, finely chopped
• 3 cloves garlic, finely chopped
• 2 tablespoons thyme, finely chopped
• Salt and pepper
• 2 tablespoons flour
• 1/2 cup dry white wine
• 1 1/2 cups half-n-half
• 1 round tablespoon Dijon mustard
• 3 tablespoons chopped tarragon
• 1 pound extra wide egg noodles
• 2 6-ounce cans sustainable line-caught tuna, drained and flaked
• 2 tablespoons thyme, finely chopped