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    Home » Instant Pot Pasta Recipes » Instant Pot Tuna Noodle Casserole

    Instant Pot Tuna Noodle Casserole

    Published: Mar 3, 2022 · Modified: Feb 12, 2023 by Kate · This post may contain affiliate links.

    Jump to Recipe Print Recipe

    Easy Instant Pot tuna noodle casserole recipe! This simple pressure cooker casserole is ready in about 30 minutes and makes a great weeknight dinner.

    Blue dish of instant pot tuna noodle casserole on a wooden cutting board

    Tuna noodle casserole is a retro favorite! This Instant Pot version is a faster, easier, one-pot take that's perfect for busy weeknights.

    The tuna casserole has all of the classic components. I skip the "cream of" soup for a creamy homemade sauce that's as tasty as it is easy to make.

    And, since everything cooks right in the inner pot, clean up is a breeze.

    How to make Instant Pot tuna noodle casserole

    Diced celery and onion on a white cutting boardPress saute on the Instant Pot. When hot, add oil.

    Stir in onion and celery. Season with salt and pepper (about ¼ teaspoon each).

    Cook until onion and celery are beginning to soften, about 2-3 minutes, stirring regularly. Remove the vegetables to a plate.

    Uncooked egg noodles in water in an instant pot inner pot
    Add the noodles to the now empty inner pot. Add enough water to cover the noodles by 1 inch.

    Close and lock the lid. Cook.

    Once the cooking time is up, turn the pressure release valve to VENTING to quickly release the pressure. Carefully drain the noodles and return to inner pot.

    Stir in the evaporated milk, seasonings, drained tuna, cheddar cheese (1 cup for milder cheese flavor and 2 cups for cheesier casserole), sour cream, and cooked vegetables. Add the thawed peas, and stir in until combined.

    Adjust salt and pepper to taste. Serve topped with crushed crackers or chips and parsley, if desired.

    Dish of instant pot tuna noodle casserole topped with cracker crumbs and parsleyTips

    • Egg noodles: Be sure to grab the 12 ounce, not the 16 ounce bag, of egg noodles. Using the 16 ounce bag will give you drier results as there won't be as much sauce for the noodles.
    • Evaporated milk: You can use regular, low-fat, or fat-free evaporated milk.
    • Seasonings: Make sure you use garlic powder and onion powder, not salts. Otherwise, your dish will be much saltier.
    • Tuna: I like to use tuna in water. If you prefer tuna in oil, you can use that instead.
    • Sour cream: You can use regular or low-fat sour cream. I don't recommend using fat-free. If you're looking for a lighter substitute, plain, fat-free Greek yogurt works well.
    • Cheese: Feel free to use as much, or as little, shredded cheese as you like.
    • Topping: My family really likes crushed butter crackers (like Ritz) on top of this casserole. You can also use crushed potato chips, French onions, or any other topping that you like. I do recommend adding a topping for a little texture and bit of extra flavor.
    • Cooking time: I like to cook the noodles for 1 minute to keep them a little bit firmer. If you like softer noodles, increase the cooking time to 2 minutes.
    Instant Pot tuna noodle casserole in a blue bowl.

    Storage

    This casserole will keep for up to 4 days when stored, covered, in the fridge. I reheat in the microwave to serve the leftovers.

    Also, I recommend topping individual portions with topping just before serving as the topping will get soggy if chilled/reheated.

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    If you’ve tried this Instant Pot tuna noodle casserole recipe, don’t forget to rate the recipe and leave me a comment below. I love to hear from people who've made my recipes!

    You can follow me on Pinterest or Facebook even more delicious food!

    Instant Pot Tuna Noodle Casserole

    Easy Instant Pot tuna noodle casserole recipe! This simple pressure cooker casserole is ready in about 30 minutes and makes a great weeknight dinner.
    5 from 1 vote
    Print Pin Rate
    Course: Main Course
    Cuisine: American
    Prep Time: 10 minutes
    Cook Time: 4 minutes
    Time to Pressure: 10 minutes
    Total Time: 24 minutes
    Servings: 8 servings
    Calories: 282kcal
    Author: Kate at Eating in an Instant

    Equipment

    • Instant Pot/Electric Pressure Cooker

    Ingredients

    • 1 tablespoon vegetable or olive oil
    • 1 cup diced white or yellow onion
    • 2 large celery stalks diced, about 1 cup
    • 12 ounces wide egg noodles
    • 12 ounce can evaporated milk
    • 1 teaspoon garlic powder
    • 1 teaspoon onion powder
    • ½ teaspoon dried thyme
    • ½ teaspoon salt
    • ½ teaspoon ground black pepper
    • 2-6 ounce cans tuna in water drained
    • ¼ cup sour cream
    • 1-2 cups shredded cheddar cheese
    • 1 cup frozen peas thawed

    Instructions

    • Press SAUTE on the Instant Pot.
    • When hot, add oil.
    • Stir in onion and celery.
    • Season with salt and pepper (about ¼ teaspoon each).
    • Cook until onion and celery are beginning to soften, about 2-3 minutes, stirring regularly.
    • Remove the vegetables to a plate.
    • Add the noodles to the now empty inner pot.
    • Add enough water to cover the noodles by 1 inch.
    • Close and lock the lid.
    • Turn the pressure release valve to SEALING.
    • Press MANUAL high pressure and adjust the time to 1 minute.
    • Once the cooking time is up, turn the pressure release valve to VENTING to quickly release the pressure.
    • Carefully drain the noodles and return to inner pot.
    • Stir in the evaporated milk, seasonings, drained tuna, cheddar cheese (1 cup for milder cheese flavor and 2 cups for cheesier casserole), sour cream, and cooked vegetables.
    • Add the thawed peas, and stir in until combined.
    • Adjust salt and pepper to taste.
    • Serve topped with crushed crackers or chips and parsley, if desired.

    Notes

    • Egg noodles: Be sure to grab the 12 ounce, not the 16 ounce bag, of egg noodles. Using the 16 ounce bag will give you drier results as there won't be as much sauce for the noodles. 
    • Evaporated milk: You can use regular, low-fat, or fat-free evaporated milk.
    • Seasonings: Make sure you use garlic powder and onion powder, not salts. Otherwise, your dish will be much saltier. 
    • Tuna: I like to use tuna in water. If you prefer tuna in oil, you can use that instead. 
    • Sour cream: You can use regular or low-fat sour cream. I don't recommend using fat-free. If you're looking for a lighter substitute, plain, fat-free Greek yogurt works well. 
    • Cheese: Feel free to use as much, or as little, shredded cheese as you like. 
    • Topping: My family really likes crushed butter crackers (like Ritz) on top of this casserole. You can also use crushed potato chips, French onions, or any other topping that you like. I do recommend adding a topping for a little texture and bit of extra flavor. 
    • Cooking time: I like to cook the noodles for 1 minute to keep them a little bit firmer. If you like softer noodles, increase the cooking time to 2 minutes.
    • Nutrition values are estimates. 

    Nutrition

    Serving: 1serving | Calories: 282kcal | Carbohydrates: 41g | Protein: 16g | Fat: 6g | Saturated Fat: 2g | Cholesterol: 47mg | Sodium: 316mg | Potassium: 355mg | Fiber: 3g | Sugar: 8g | Vitamin A: 407IU | Vitamin C: 9mg | Calcium: 214mg | Iron: 1mg
    Tried this recipe?Leave me a comment below to let me know!
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    Hi! I'm Kate. Dinner can be a struggle, but the easy Instant Pot dinner recipes on this site will get you eating in an instant!

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