This tuna noodle casserole skips the canned soup and makes a simple creamy white sauce with flour and non-dairy milk instead, loaded with mushrooms, onion, garlic, thyme and peas, then baked with a crisp panko topping.
A Homemade Sauce
Sauté the mushrooms and onion until browned, add the garlic, then stir in the flour and cook for a minute before whisking in the non-dairy milk. Simmer until thickened, season with thyme, salt and pepper, and fold in the noodles, tuna and peas. The result has more flavor than canned soup versions.
Kosher Notes
Made with oat or soy milk, this casserole is pareve. Check that your non-dairy milk carries a pareve hechsher. Canned salmon works in place of tuna. For gluten-free, use rice noodles and gluten-free flour.
Make-Ahead
Assemble up to 2 days ahead, adding 5 to 10 minutes to the baking time. Leftovers keep for 3 days.

Ingredients
What I use for this recipe
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Method
- Preheat oven to 350°F. Grease a 9x13 inch baking dish with cooking spray or oil.
- Cook egg noodles according to package directions until just al dente (they should still have a slight bite). Drain and set aside.
- Heat 2 tablespoons olive oil in a large skillet over medium heat. Add mushrooms and cook for 5-6 minutes until golden and most of the liquid has evaporated.
- Add onion to the skillet and cook for 3-4 minutes until softened. Add garlic and cook for another 30 seconds until fragrant.
- Sprinkle flour over the vegetables and stir constantly for 1 minute to cook out the raw flour taste.
- Gradually whisk in the non-dairy milk, making sure to break up any lumps. Cook for 3-4 minutes, stirring frequently, until the sauce thickens enough to coat the back of a spoon.
- Stir in salt, pepper, and thyme. Remove from heat and gently fold in the drained tuna, breaking it into bite-sized chunks.
- Add the cooked noodles and frozen peas to the tuna mixture, stirring gently to combine everything evenly.
- Transfer the mixture to the prepared baking dish and spread it out evenly.
- In a small bowl, mix panko breadcrumbs with remaining 1 tablespoon olive oil. Sprinkle over the top of the casserole.
- Bake for 25 minutes until the top is golden brown and the edges are bubbling. Let cool for 5 minutes before serving.
- Garnish with fresh parsley and serve immediately.
Notes
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