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    Home » Recipes » Casseroles » Chicken Casseroles

    Cheesy Spinach and Chicken Mac and Cheese Casserole

    Published: Jul 23, 2024 · Modified: Oct 3, 2025 by Barbara Curry

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    Disclaimer: This post may contain affiliate links.

    A close-up of a dish featuring chicken mac and cheese with spinach. The food is served in a ceramic dish, and a spoon is partially visible, ready to serve. The text on the image reads, "Casserole. Mac & Cheese with Chicken. Add some Spinach.
    A close-up of a dish featuring chicken mac and cheese with spinach. The food is served in a ceramic dish, and a spoon is partially visible, ready to serve. The text on the image reads, "Casserole. Mac & Cheese with Chicken. Add some Spinach.

    This Cheesy Spinach and Chicken Mac is less like a traditional mac and cheese and more like a casserole. It’s one of my favorite comfort foods to make. It’s just as delicious the next day as all the flavors mingle and meld together, or you can make it in advance and keep it in the freezer for days when you don’t feel like cooking. 

    A close-up of chicken mac in a floral-patterned dish. The pasta is covered in a creamy sauce and mixed with cooked spinach and chunks of tender chicken. A serving spoon is scooping out a portion, capturing some of the gooey, cheesy topping.


     

    The Creamiest Mac and Cheese Gets a Spinach and Chicken Upgrade

    There are nights when all I want is a pan of something bubbling and cheesy, nothing fancy, just pure comfort. That’s when I pull out this spinach and chicken mac and cheese. It’s not quite your typical baked mac and cheese. With added protein and spinach it’s an entire meal.

    I’ve made plenty of macaroni and cheese recipes in my life, but this one? It holds its own. I swapped part of the pasta for shredded chicken and fresh spinach, which keeps it from feeling too heavy but still feels like the cozy bowl you want to curl up with.

    The sauce doesn’t start with flour like most. Instead of making a roux, cream and milk simmer down slowly with onions and garlic until it’s thick enough to cling to the pasta. Once you melt in sharp cheddar and parmesan, it’s hard not to dip a spoon in before it even hits the oven.

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    A close-up of a baked rigatoni pasta dish in a green and white ceramic baking dish. The pasta, similar to chicken mac, is mixed with spinach and creamy sauce, topped with black pepper. In the background, there are some wooden salt and pepper shakers, metal spoons, and a gray napkin.

    And then there’s a little heat. Just a dash. Not enough to scream buffalo chicken mac, but enough to perk up the flavors. You can always leave it out for a milder version.

    You know what else I love about this recipe? It’s flexible. Got leftover roasted chicken? Perfect. A rotisserie bird from the store? Even easier. Half a bag of spinach in the crisper, about to wilt? Toss it in. This is my kind of clean-out-the-fridge dinner.

    When I serve this chicken mac and cheese casserole, I usually add something fresh on the side. A simple Greek cucumber salad cuts through the richness. Or, if it’s peach season, I’ll make a quick tomato and peach salad for that sweet-salty balance.

    Ingredients Notes

    An assortment of groceries on a gray countertop, including a roasted chicken, a bag of spinach, a gallon of milk, a carton of organic chicken broth, a bottle of hot sauce, ingredients for chicken mac like rigatoni pasta and cheddar cheese, an onion, garlic, and a stick of butter.
    Gather all the ingredients.

    (See the recipe card for the full list and measurements.)

    • Pasta – short noodles like penne, bowtie, or elbow work well.
    • Spinach – fresh or frozen, it cooks right into the sauce.

    How To Make Cheesy Chicken Mac

    Step One: Prepare Pasta

    A glass bowl filled with uncooked rigatoni pasta sits on a gray, textured surface, ready for your favorite recipe like creamy chicken mac. Beside the bowl, the bottom portion of a white bottle is partially visible. The neutral background contrasts with the light yellow pasta.
    Boil pasta and set aside.
    A wooden spoon is placed in a black frying pan with chopped onions being sautéed. The onions are slightly browned and translucent, indicating they are being cooked. The frying pan, prepping the base for a delicious chicken mac, rests on a light-colored countertop.
    Sauté onions and garlic.

    Step Two: Start Sauce

    Cook onions in butter and olive oil, add garlic and cook an additional minute. Warm milk and cream in the microwave and add to the onion mixture. Reduce the heat to low and simmer until it has reduced, then add seasonings.

    Step Three: Add Cheese

    A frying pan filled with creamy white sauce and a pile of shredded cheese on top, perfect for chicken mac. A metal spoon rests in the pan, partially submerged in the sauce. The pan is set on a light, textured surface.
    Add cheese.
     A black skillet filled with creamy white sauce mixed with shredded chicken and fresh spinach leaves, resembling a delectable chicken mac. A metal spoon rests in the skillet, showing a mixture of ingredients. The background is a grey textured surface.
    Add chicken and spinach.
    A serving dish filled with creamy pasta, featuring rigatoni, spinach, and juicy chicken mac in a rich white sauce. The dish is placed on a light gray textured surface. The pasta is evenly mixed with the spinach and sauce, creating a visually appealing and appetizing meal.
    Add noodles and bake.

    Step Four: Bake Casserole

    Bake for 45 minutes or until the sauce bubbles at the edges and the top turns golden brown.

    Close-up of a baked pasta dish featuring rigatoni, spinach, and a creamy sauce, all golden and slightly crispy on top. A spoon is scooping a portion from the green speckled ceramic baking dish. Think of it as an elevated chicken mac. In the background, there is a folded gray napkin with a fork and knife.

    This mac and cheese with chicken feels like the best of both worlds: a pasta bake with just enough veggies to pass as balanced but still creamy, cheesy, and satisfying. Leftovers are even better, which means lunch the next day is already handled.

    If you’re in the mood for more comfort food classics, you might also like my queso chicken or this cheeseburger macaroni that tastes just like the boxed stuff we grew up with, but better.

    If you loved this recipe, give it a star ⭐️⭐️⭐️⭐️⭐️ rating! Also, snap a picture of your finished dish and share it with me on Instagram using the hashtag #butterandbaggage and tagging me @butterandbaggage.

    A spoon scooping out a portion of baked chicken Alfredo pasta from a casserole dish. The pasta is rich and creamy, mixed with spinach and chunks of chicken mac, and sprinkled with black pepper. The dish sits on a table, partially covered with a gray napkin.

    Creamy, Cheesy Spinach and Chicken Mac

    Author: Barbara Curry
    This Cheesy Spinach and Chicken Mac is less like a traditional mac and cheese and more like a casserole. It's one of my favorite comfort foods to make. It's just as delicious the next day as all the flavors mingle and meld together, or you can make it in advance and keep it in the freezer for days you don't feel like cooking.
    No ratings yet
    Print Pin
    PREP: 30 minutes minutes
    COOK: 45 minutes minutes
    TOTAL: 1 hour hour 15 minutes minutes
    Servings: 10

    Ingredients
     

    • 8 ounces penne pasta
    • 2 tablespoons olive oil divided
    • 2 tablespoons butter
    • 1 yellow onion diced
    • 3 cloves garlic minced
    • 2 cups milk
    • 2 cups heavy cream
    • 2 cups sharp cheddar cheese shredded
    • ½ cup parmesan cheese grated
    • 2 teaspoons salt
    • 1 teaspoon pepper
    • 2 tablespoons hot sauce
    • 3 ½ cups shredded chicken
    • 8 ounches fresh spinach stems removed

    Instructions
     

    • Preheat the oven to 350º. 
    • Boil the pasta in salted water per package directions. Drain and place in a large bowl. Drizzle with a tablespoon of olive oil. 
    • In a large skillet, add butter and 1 tablespoon olive oil. Cook onions over medium heat until translucent, about 5 minutes. Add garlic and cook for 1 minute. Warm milk and cream in the microwave and add to the onion mixture. Reduce the heat to low and simmer until it has reduced by half and is slightly thickened, about 20 minutes. 
    • Add salt, pepper, and hot sauce to taste. 
    • Remove from the heat and add cheese, stirring until melted. Add spinach and stir then add chicken and stir until it is combined. Pour over the pasta and stir until combined. Pour into a 2 quart baking dish. 
    • Bake for 45 minutes or until the sauce is bubbling at the edges and the top has started to brown. Let it rest for about 10 minutes before serving. 
    Barbara’s Tips + Notes
    • You can use any type of short pasta instead of penne.
    • You can easily roast your own chicken, it will take about 30 minutes. 
    • You can use half-and-half instead of cream.

    Nutrition

    Calories: 520kcal | Carbohydrates: 23g | Protein: 25g | Fat: 36g | Saturated Fat: 20g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 11g | Trans Fat: 0.1g | Cholesterol: 128mg | Sodium: 851mg | Potassium: 335mg | Fiber: 1g | Sugar: 5g | Vitamin A: 1215IU | Vitamin C: 4mg | Calcium: 328mg | Iron: 1mg
    Follow Me On SocialDid you make this recipe? Mention @ButterandBaggage or tag #ButterandBaggage on Instagram!

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    Barbara Curry is the culinary adventurer of Butter & Baggage. With a dedicated enthusiasm for real butter made from happy cows she is in constant pursuit of delicious recipes and tasty dishes. She shares her experiences, ventures, and occasional misadventures because let’s face it things can get messy in any kitchen.

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