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Chicken Spaghetti Casserole | QUICK and Easy

Chicken Spaghetti Casserole might just be the ultimate comfort food. This rich, creamy, flavorful, easy to make dish is sure to make it into your regular dinner rotation.

Chicken Spaghetti casserole overhead in baking dish horizontal

I came across this one by accident. I was exhausted after a long day and was so NOT in the mood run to the grocery store or cook something difficult. So I scrounged around the kitchen to see what I had on hand. A decent amount of pantry staples, a pack of spaghetti, a couple of bell peppers, some cheese, and a rotiserrie chicken that I had planned to shred for something else.

Perfect! Chicken Spaghetti Casserole it is! No trip to the grocery store needed. I had never made one so I scowered the internet for inspiration. Lots of inspiration out there! I combined several pieces of several different recipes I came across and voilà…! One of the easiest and tastiest dinners was out on the table with very little effort.

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Now that’s my kind of meal! Loaded with chicken, colorful bell peppers, and tons of cheesy creaminess. Yep – nothing like a bowl of comfort food after a long, hard day! (And nothing like this Dark and Stormy Cocktail to go with it!)

There are a couple of tricks to make sure you get the perfect chicken spaghetti casserole with just the right creamy texture without it turning into a mess of a blob.

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Pro Tip #1 – Make sure to cook your spaghetti NO MORE than al dente! You really want a fair amount of bite in that pasta so it keeps its texture during the baking process.

Pro Tip #2 – Grate your cheese from a block of cheese rather than using pre-shredded cheese. This makes a HUGE difference when making casseroles. Pre-shredded cheese has a coating on it to keep it from sticking together during the shipping and storing process, but that cheese coating does hinder the meltiness of the cheese.

You can use pre-shredded in a pinch, but the result will not be as melty and gooey (and that’s what comfort food is all about!)

Pro Top #3 – Make sure to salt the water when you cook your spaghetti. Use more than you think! It should taste like ocean water. This is the only way and time you can get flavor in the pasta.

Then drizzle the cooked spaghetti with a little olive oil after you strain it in a colander. This will prevent it from sticking together.

Pro Tip #4 – Coat your casserole dish with cooking spray or butter before you put your chicken spaghetti casserole ingredients in. You don’t want that tender pasta sticking to the bottom!

How to Make Chicken Spaghetti Casserole

Break thin spaghetti in half and cook according to package directions to al dente. In a large bowl, mix together cooked spaghetti, cooked chicken, condensed cream of chicken soup, diced red and bell pepper, minced onion, chicken broth, seasoned salt, pepper, salt, and cheese. Pour mixture into a baking dish, top with remaining cheese, cover, and bake the chicken spaghetti casserole for 45 minutes. (Full recipe below.)

Watch me make it on The Spicy Apron Cooking Show (and click on over to YouTube to subscribe to my channel!)

And that’s it! This has quickly become an all-time family favorite in our household! What’s not to love? Tender spaghetti all baked together with satisfying chicken, creamy chicken soup, a little bell pepper (we all need to eat our veggies, right?), and lots of creamy cheese. Dinner is served!

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Here are some other easy comfort food dinners for you to check out.

Kitchen tools used to make this dish

Chicken Spaghetti casserole overhead in baking dish horizontal
Chicken Spaghetti Casserole
Print Recipe
Servings Prep Time
8 servings 20 minutes
Cook Time
45 minutes
Servings Prep Time
8 servings 20 minutes
Cook Time
45 minutes
Chicken Spaghetti casserole overhead in baking dish horizontal
Chicken Spaghetti Casserole
Print Recipe
Servings Prep Time
8 servings 20 minutes
Cook Time
45 minutes
Servings Prep Time
8 servings 20 minutes
Cook Time
45 minutes
Ingredients
Servings: servings
Instructions
  1. Turn oven on to 350 degrees.
  2. Cook spaghetti according to package direction to al dente (do not overcook it!) Then drain in a colander, rinse with cool water and drizzle with a little olive oil to keep from sticking. While the pasta is cooking, mince bell peppers and onion.
  3. In a large bowl mix together cooked pasta, chicken, cream of chicken soup, bell peppers and onions, seasoned salt, pepper, cayenne pepper, chicken broth, and 2 cups of the shredded cheese. Toss until well-mixed.
  4. Spray a 9 x 13-inch casserole dish with nonstick cooking spray. Pour spaghetti mixture into dish and spread out evenly. Top with remaining cheese, cover and bake for 45 minutes. Let stand 5 minutes before serving.
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