How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Light-But-Hearty Tuna Casserole?

You need 13 ingredients. The key ingredients include: 3 cups uncooked yolk-free noodles, 1 can (10-3/4 ounces) reduced-fat reduced-sodium condensed cream of mushroom soup, undiluted, 1/2 cup fat-free milk, 2 tablespoons reduced-fat mayonnaise, and more.

Is Light-But-Hearty Tuna Casserole suitable as seafood?

Yes, Light-But-Hearty Tuna Casserole falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Light-But-Hearty Tuna Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Light-But-Hearty Tuna Casserole Recipe

Name: Light-But-Hearty Tuna Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 cups uncooked yolk-free noodles; 1 can (10-3/4 ounces) reduced-fat reduced-sodium condensed cream of mushroom soup, undiluted; 1/2 cup fat-free milk; 2 tablespoons reduced-fat mayonnaise; 1/2 teaspoon ground mustard; 1 jar (6 ounces) sliced mushrooms, drained; 1 can (5 ounces) albacore white tuna in water; 1/4 cup chopped roasted sweet red pepper; 1/4 cup dry bread crumbs; 1 tablespoon butter, melted; 1/2 teaspoon paprika; 1/4 teaspoon Italian seasoning; 1/4 teaspoon pepper

Try this homemade Light-But-Hearty Tuna Casserole recipe the whole family will love. Made with uncooked yolk, condensed cream, milk and mayonnaise. Easy…

This Light-But-Hearty Tuna Casserole relies on simple, everyday ingredients such as uncooked yolk-free noodles, fat-free milk, reduced-fat mayonnaise and ground mustard. It comes together quickly and makes 4 servings, at about 913 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Light-But-Hearty Tuna Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions