Ingredients
Method
- Boil noodles two minutes under package time and drain without rinsing.
- Build a roux with the butter and flour, whisk in the milk and broth, and simmer until thickened.
- Melt in the cheddar gradually, then stir in the mustard and onion powder.
- Saute the mushrooms separately until browned.
- Fold the noodles, tuna, mushrooms, celery, and peas into the sauce.
- Transfer to a buttered 9x13 dish.
- Toast the panko, mix with butter and parmesan, and scatter on top.
- Bake at 375°F for 20 to 25 minutes until bubbling and golden.
- Rest 5 minutes before serving.
Notes
Storage: Refrigerate up to 4 days. Freezes well unbaked for up to 2 months.
Allergens: Dairy, gluten, fish.
Notes: Toast the panko separately for lasting crunch. Add the topping fresh if baking from frozen.
