Tuna Mushroom Casserole Recipe

Name: Tuna Mushroom Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/2 c. water; 1 tsp. chicken bouillon granules; 1 (10 oz.) pkg. frozen green beans; 1 c. chopped onion; 1 c. sliced mushrooms; 1/4 c. chopped celery; 1 garlic clove, minced; 1/2 tsp. dill weed; 1/2 tsp. salt; 1/8 tsp. pepper; 4 tsp. cornstarch; 1 1/2 c. milk; 1/2 c. shredded Swiss cheese; 1/4 c. mayonnaise; 2 1/2 c. medium noodles, cooked and drained; 1 (12 1/4 oz.) can tuna; 1/3 c. dry bread crumbs; 1 Tbsp. butter

Servings: persons

1/2 c. water
1 tsp. chicken bouillon granules
1 (10 oz.) pkg. frozen green beans
1 c. chopped onion
1 c. sliced mushrooms
1/4 c. chopped celery
1 garlic clove, minced
1/2 tsp. dill weed
1/2 tsp. salt
1/8 tsp. pepper
4 tsp. cornstarch
1 1/2 c. milk
1/2 c. shredded Swiss cheese
1/4 c. mayonnaise
2 1/2 c. medium noodles, cooked and drained
1 (12 1/4 oz.) can tuna
1/3 c. dry bread crumbs
1 Tbsp. butter

1
In a large saucepan, bring water and bouillon to a boil, stirring to dissolve.
2
Add the next 8 ingredients; bring to a boil.
3
Reduce heat, cover and simmer 5 minutes or until vegetables are tender.
4
Dissolve cornstarch in milk; add to vegetable mixture, stirring constantly.
5
Bring to a boil; boil 2 minutes or until thickened.
6
Remove from heat; stir in cheese and mayonnaise until cheese is melted.
7
Fold in noodles and tuna.
8
Pour into greased 2 1/2-quart baking dish.
9
Brown bread crumbs in butter; sprinkle on top of casserole.
10
Bake, uncovered, at 350u00b0 for 25 to 30 minutes.
11
4 to 6 servings.

994

kcal

Calories

Fat

138

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

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.

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

My Personal Notes

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How did you like this recipe?

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

You need 18 ingredients. The key ingredients include: 1/2 c. water, 1 tsp. chicken bouillon granules, 1 (10 oz.) pkg. frozen green beans, 1 c. chopped onion, and more.

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

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

That's it — enjoy your meal!

Tuna Mushroom Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions