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tuna casserole in a white bowl

Instant Pot Tuna Casserole

Instant Pot Tuna Casserole is a delicious and hearty comfort meal ready to eat in less than 30 minutes.
Course Main Course
Cuisine American
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings 6
Calories 633kcal


  • 1 Tbsp Olive Oil
  • 3 Tbsp Butter
  • 1/2 onion diced
  • 3 cups Chicken Broth
  • 1/2 tsp Salt
  • 1/2 tsp Pepper
  • 1 tsp Garlic Powder
  • 1/2 tsp Onion Powder
  • 1/2 tsp Dill dried
  • 1 cup Milk or milk of choice
  • 12 oz Wide Egg Noodles uncooked
  • 2 cans Solid White Albacore Tuna 6 oz cans, drained
  • 2 cans Cream of Mushroom Soup 10.5 oz cans
  • 1 cup Peas frozen
  • 2 cups Cheddar Cheese shredded


  • Turn the instant pot on sauté mode.
  • Heat for approximately 2 minutes then add in oil and butter, stirring until the butter has melted.
  • Add in onions and sauté onions for about 3-5 minutes until they are fully cooked.
  • Add in chicken broth, salt, pepper, garlic powder, onion powder, dill, and half-and-half and mix well.
  • Place the noodles on top of the liquid mixture. DO NOT stir.
  • Add the canned tuna to the top of the noodles. (Making sure it is evenly distributed on top of the noodles. DO NOT stir.
  • Add the cream of mushroom soup and spread evenly on top of the tuna. DO NOT stir.
  • Place the lid on the Instant Pot and close the pressure value on top (push it away from you to close).
  • Set the Instant pot to Manual – High Pressure for 3 minutes.
  • After the timer goes off, release the pressure carefully using a towel.
  • Once the pressure has been released, open the Instant Pot.
  • Add the peas and shredded cheese and stir well to combine all ingredients.
  • Serve immediately.


Carefully add the ingredients. Layering the ingredients helps in avoid getting a burn message on the Instant Pot due to the pasta soaking up the liquid too quickly
Solid white albacore tuna is preferred for this recipe since it has a milder tuna flavor. Or choose tuna in water over in oil.
Use regular milk or other milk of choice (if dairy free). If you don’t mind the extra calories, use half and half for an extra creaminess.
Use elbow macaroni in place of egg noodles. Increase cooking time to 4 minutes
Use gluten free pasta if desired and cook for 3 minutes.
Leave out the cheese or substitute dairy free cheese if desired
If you would like a crunchy topping, transfer the cooked tuna casserole to a casserole dish and add ½ cup of panko or regular breadcrumbs and broil about 6-8 inches from heat for a 2-4 minutes until brown. (Careful not to burn)
Add other vegetables like diced baby carrots and/or sliced mushroom if desired. You can also use frozen mixed vegetables to save even more time.
Store in an airtight container for up to 3 days
Freeze for up to 2 months


Calories: 633kcal | Carbohydrates: 54g | Protein: 39g | Fat: 29g | Saturated Fat: 15g | Cholesterol: 136mg | Sodium: 1877mg | Potassium: 665mg | Fiber: 4g | Sugar: 5g | Vitamin A: 852IU | Vitamin C: 19mg | Calcium: 366mg | Iron: 3mg