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 Tuna Casserole?

You need 10 ingredients. The key ingredients include: 1 pkg. frozen asparagus*, 2 cans tuna, 1/2 c. onion, minced, 1/2 c. chopped celery, and more.

Is Tuna Casserole suitable as seafood?

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

How do I store leftover Tuna Casserole?

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

Tuna Casserole Recipe

Name: Tuna Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 pkg. frozen asparagus*; 2 cans tuna; 1/2 c. onion, minced; 1/2 c. chopped celery; 1/4 tsp. each: paprika, nutmeg and pepper; 1/4 c. butter or margarine; 1 Tbsp. flour; 1 can mushroom soup (undiluted); 1 c. milk or water; 1 can Chinese noodles

Try this homemade Tuna Casserole recipe the whole family will love. Made with frozen asparagus, tuna, onion and celery. Easy step-by-step instructions i…

This Tuna Casserole relies on simple, everyday ingredients such as frozen asparagus*, tuna, onion, minced and chopped celery. It comes together quickly and makes 4 servings, at about 810 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.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

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

My Personal Notes

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Tuna Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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