There’s something truly special about a warm, comforting meal that practically makes itself. That’s exactly what our slow cooker tuna noodle casserole offers. It’s a dish that brings back sweet memories for me, Amaya. When Kenji and I were first married, life was busy. We’d often come home late from our family’s restaurant. On those nights, the thought of a long cooking process felt impossible. But a simple, creamy noodle bake, much like this one, was always a lifesaver. It’s that same feeling of home and ease I want to share with you today. This recipe is perfect for busy weeknights.

Why You’ll Love This Slow Cooker Tuna Noodle Casserole
You’ll adore this recipe for so many reasons!
- It’s incredibly easy to make.
- Cleanup is a breeze.
- It’s a guaranteed crowd-pleaser.
- It’s pure comfort food magic.
- Your slow cooker does all the hard work.
Gathering Your Slow Cooker Tuna Noodle Casserole Ingredients
Let’s get our kitchen ready for this wonderful dish. You’ll need one pound of good egg noodles. Cook these just until they are tender, then drain them well. This helps prevent a mushy casserole later. Grab two cans of condensed cream of mushroom soup. These creamy soups are the heart of our casserole’s rich flavor. Don’t forget another can, this time cream of celery soup. It adds another layer of savory goodness. Drain one 12.5-ounce can of tuna. I always opt for chunk light tuna packed in water; it has a milder flavor. You’ll need one cup of milk. Whole milk makes it extra creamy, but 2% works beautifully too. About one cup of shredded cheddar cheese is perfect. It melts into gooey deliciousness. Lastly, half a cup of frozen peas adds a pop of color and freshness. Season with salt and pepper to your taste. These simple ingredients come together for a truly comforting meal.

Ingredient Notes and Substitutions for Slow Cooker Tuna Noodle Casserole
The condensed soups are used for their concentrated flavor and creamy base. They truly make this a quick and easy dish. If you can’t find cream of celery soup, another can of cream of mushroom works fine. For those watching gluten intake, gluten-free egg noodles are readily available. You can also swap the dairy milk for unsweetened almond milk or soy milk if needed. For a touch more flavor, consider using tuna packed in oil. Always drain your tuna well to avoid excess liquid. These little tweaks ensure everyone can enjoy this classic comfort food.
Step-by-Step Guide to Your Slow Cooker Tuna Noodle Casserole
Let’s get this comforting dish cooking! First, make sure your egg noodles are cooked al dente. Drain them well and set them aside. This is key. In your slow cooker insert, combine the cream of mushroom soup and the cream of celery soup. Add your drained tuna. Pour in the milk and give it a good stir. This forms our creamy base. Now, gently add the cooked egg noodles to the slow cooker. Sprinkle in the shredded cheddar cheese and the frozen peas. Season with salt and pepper. Stir everything together very gently. We want to mix it all up without breaking the noodles too much. Cover your slow cooker. Set it to cook on low heat. This usually takes about 2 to 3 hours. You’ll know it’s ready when it’s heated through and the cheese is all melty. Before you serve it, give it one last gentle stir. This helps distribute the heat evenly.

Tips for the Perfect Slow Cooker Tuna Noodle Casserole
Want to make this even better? Here are a few ideas. For a richer, creamier casserole, add an extra splash of milk. This makes it extra decadent. If you like a bit of crunch, try topping the casserole with crushed crackers or breadcrumbs. Add this during the last 30 minutes of cooking time. It gives a lovely texture contrast. Feel free to add other veggies too. Diced carrots or corn are great additions. They add more color and flavor. These simple tips help elevate your slow cooker tuna noodle casserole to pure comfort food perfection.
Serving Your Delicious Slow Cooker Tuna Noodle Casserole
This hearty slow cooker tuna noodle casserole is a meal on its own. It pairs wonderfully with a simple green salad. A side of steamed broccoli also complements it nicely. For a truly classic comfort food feel, serve it with warm dinner rolls. A sprinkle of fresh parsley on top adds a lovely touch of color. It’s a dish that feels special without any fuss.

Storing and Reheating Your Slow Cooker Tuna Noodle Casserole
Leftovers are a gift! Store any remaining slow cooker tuna noodle casserole in an airtight container. Keep it in the refrigerator for up to three days. For reheating, the microwave is quick and easy. Just a minute or two should do it. You can also reheat it gently in the oven. Cover the dish with foil and warm it at 350°F (175°C) for about 15-20 minutes. You might need a tiny splash of milk if it seems a bit dry after storing. Enjoy your delicious comfort food again!
Frequently Asked Questions About Slow Cooker Tuna Noodle Casserole
Got questions about our easy tuna noodle casserole? I’m happy to help!
Can I use fresh mushrooms? Yes, you can! Sauté about a cup of sliced fresh mushrooms until tender before adding them to the slow cooker. This brings out their earthy flavor even more.
How do I stop the noodles from getting mushy? The key is to cook your noodles al dente, just until tender but still with a slight bite. Overcooking before they go into the slow cooker is the main culprit for mushy noodles. Also, don’t overcook the casserole itself. 2-3 hours on low is usually perfect.
What are some good variations? Feel free to mix things up! Adding a can of drained corn or some diced carrots with the peas is lovely. For a bit of a kick, a pinch of red pepper flakes works wonders. Some folks even add a bit of chopped onion. This creamy tuna noodle casserole is very forgiving!
Can I make it dairy-free? You bet! Use a dairy-free milk alternative like unsweetened almond or soy milk. For the creaminess from the soups, you can find dairy-free condensed soups, or try using a cashew cream base. It still makes for a delicious, comforting meal.
Nutritional Estimate for Slow Cooker Tuna Noodle Casserole
Here’s a general idea of what you’re getting with each serving of this comforting dish. Please remember these numbers are estimates! They can change based on the specific brands you use and how you prepare it. We found it averages around 450 calories per serving. It also typically contains about 20g of fat and 50g of carbohydrates. You’ll also get a good protein boost with about 20g per serving. Enjoy this delicious meal!
PrintSlow cooker tuna noodle casserole: 1 comfort dish
Enjoy a comforting and easy Slow Cooker Tuna Noodle Casserole. This recipe is perfect for a convenient weeknight meal, letting your slow cooker do the work.
- Prep Time: 15 minutes
- Cook Time: 2-3 hours
- Total Time: 2 hours 15 minutes - 3 hours 15 minutes
- Yield: 6-8 servings
- Category: Main Course
- Method: Slow Cooker
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 1 pound egg noodles
- 2 cans (10 ounces each) condensed cream of mushroom soup
- 1 can (10 ounces) condensed cream of celery soup
- 1 can (12.5 ounces) tuna, drained
- 1 cup milk
- 1 cup shredded cheddar cheese
- 1/2 cup frozen peas
- Salt and pepper to taste
Instructions
- Cook egg noodles according to package directions. Drain and set aside.
- In a slow cooker, combine cream of mushroom soup, cream of celery soup, tuna, and milk. Stir well.
- Add the cooked egg noodles, cheddar cheese, and frozen peas to the slow cooker.
- Season with salt and pepper. Stir gently to combine all ingredients.
- Cover and cook on low for 2-3 hours, or until heated through and cheese is melted.
- Stir before serving.
Notes
- For a creamier casserole, you can add an extra splash of milk.
- Feel free to add other vegetables like diced carrots or corn.
- Top with crushed crackers or breadcrumbs during the last 30 minutes of cooking for a crunchy topping.
Nutrition
- Serving Size: 1 serving
- Calories: Approximately 450
- Sugar: Approximately 7g
- Sodium: Approximately 1200mg
- Fat: Approximately 20g
- Saturated Fat: Approximately 8g
- Unsaturated Fat: Approximately 12g
- Trans Fat: Approximately 0g
- Carbohydrates: Approximately 50g
- Fiber: Approximately 3g
- Protein: Approximately 20g
- Cholesterol: Approximately 70mg




























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