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    Home » Recipes » Casserole

    Chicken Brussels Sprouts Casserole

    BY: Kimberly Grabinski PUBLISHED: 22 Jun, '22 UPDATED: 20 Mar, '23 Leave a Comment

    RecipePrintComments
    5 from 2 votes

    This creamy chicken and brussel sprout casserole is a nutrient-rich lunch or dinner recipe that everyone will absolutely love! It's super easy to make for any home cook and has layers of flavor similar to alfredo sauce.

    Chicken Brussel Sprout Casserole-Featured
    Contents
    • 🌟 Why this recipe works
    • 🍽 Key Ingredients
    • 🔪 How to make
    • 💭 Cooking tips
    • 📖 Variations 
    • 🥗 What to serve 
    • 🙋 Frequently asked questions 
    • 🧊 Storage and ♨️ Reheating 
    • 👪 Serving size
    • 📋 Recipe

    🌟 Why this recipe works

    Brussels sprouts casserole is a great way to use up leftover brussels sprouts. The casserole is easy to make, and it is a delicious and hearty dish that will please everyone at the dinner table.

    One of the reasons that this recipe works so well is because the brussels sprouts are paired with chicken and cream sauce. The chicken helps to add flavor and protein to the dish, while the cream sauce adds richness and creaminess.

    The casserole also has parmesan cheese, which makes it extra delicious. If you are looking for a tasty and easy way to use up your leftover Brussel sprouts, then be sure to try this casserole.

    Unlike many methods of cooking brussel sprouts that come mushy, this roasted brussels sprouts recipe keeps them firm and tender in this creamy garlic and cheese sauce.

    Even the kids will enjoy eating this delicious casserole - and it's super easy to prepare too in 40 minutes using minimal ingredients and basic kitchen equipment. This recipe is very similar to my chicken bacon ranch casserole. Yum!

    🍽 Key Ingredients

    The recipe is quick to prepare if you have leftover chicken on hand, and fresh Brussel sprouts make all the difference to the overall texture and flavor.

    Chicken - Use pre-cooked chicken to save yourself time. Rotisserie chicken or leftover chicken breasts are perfect for this casserole.

    Cheese - The only cheese you need for the cream sauce is parmesan cheese

    Brussels Sprouts - Use fresh brussels sprouts for this recipe. If you use frozen sprouts, they will become too soft after cooking, and we want delicious crisp and tender brussels sprouts.

    Cream sauce - The creamy sauce is a mixture of lots of garlic, butter, and heavy cream with the parmesan cheese mixed through at the end.

    Substitutions

    Cream

    You could swap the heavy cream for sour cream. Although, the consistency will be slightly thicker.

    Cheese

    If you want a stronger flavored cheese for the cream sauce, you could substitute the parmesan for gruyere cheese or cheddar cheese.

    🔪 How to make

    This Brussel sprout casserole is perfect for a quick midweek dinner that's full of flavor - and takes just 40 minutes to make using my easy-to-follow instructions.

    Preparations

    Step 1
    Cut the fresh Brussels sprouts in half.

    Step 2
    Shred the cooked chicken.

    Finely Diced Garlic

    Step 3
    Finely dice the garlic cloves.

    Step 4
    Preheat your oven.

    Cooking Instructions

    Step 5
    Grease a casserole dish with butter or coconut oil spray and pour the sprouts into it.

    Brussel Sprouts in Greased Caserole

    Step 6
    Add the chicken and toss lightly to combine.

    Chicken plus Brussel Sprouts

    Step 7
    Spread the chicken and sprouts mixture out evenly in the dish. Set aside.

    Chicken and Sprouts in Dish

    Step 8
    Melt butter in small saucepan, add minced garlic and saute until fragrant.

    Sauteed Minced Garlic in Butter

    Step 9
    Stir in the heavy whipping cream and simmer until thickened.

    Heavy Cream in Pan

    Step 10
    Stir in salt and pepper to taste.

    Step 11
    Remove the sauce from heat, and stir in Parmesan cheese.

    Parmesan Cheese into Heavy Cream

    Step 12
    Pour the Alfredo mixture over the chicken and sprouts and stir to combine.

    Alfreado Sauce over Chicken and Brussel Sprout

    Step 13
    Bake uncovered until browned and bubbly.

    Baked Brown Chicken Brussel Sprouts

    Step 14
    Serve immediately garnished with fresh parsley.

    Brussel Sprout Garnished with Parsley

    💭 Cooking tips

    Brussels sprouts size

    If you're using small brussels sprouts, It's better to leave them whole so that they don't become too soft. The large sprouts should be halved to cook perfectly.

    Thick sauce

    If your sauce is too thick, you can make it thinner by adding a small amount of vegetable or chicken broth.

    Garlic

    If you're not a fan of garlic, You can reduce the amount or use a teaspoon of garlic powder instead.

    📖 Variations 

    Casserole recipes are perfect for adding various ingredients to enhance them, and this Brussel sprout casserole recipe is a base for additional flavors.

    Brussels sprouts casserole with bacon

    If you want to add even more flavor to the casserole, try adding 1 cup of cooked bacon to the mix for a tastier and heartier meal.

    Brussels sprouts casserole with breadcrumb topping

    If you want a bit of a crunch on top, mix ½ cup of fresh bread crumbs with half a cup of parmesan cheese and sprinkle over the casserole before baking. It will give a nice texture to the dish.

    Brussels sprouts with cream cheese casserole

    Make the casserole even creamier with a delicious cream cheese mixture, and swap out the heavy cream for 1 package of softened cream cheese. It will give it a richer flavor.

    Chickem Brussel Sprout in Pan

    🥗 What to serve 

    Serve this delicious Brussels sprouts casserole with a side of mashed potatoes, rice, or pasta. It also goes great with a simple salad for a complete meal.

    Mashed potatoes

    Try these easy and delicious garlic creamy mashed potatoes to serve with your casserole. The smooth texture and the creamy flavor are a perfect match for Brussels sprouts.

    Cauliflower rice

    If you're looking for a low-carb option, cauliflower rice is a great choice. It has a mild flavor and takes just minutes to cook.

    Penne pasta

    Another classic pairing for Brussels sprouts casserole is penne pasta. Try this simple recipe with a garlic butter sauce and a sprinkle of parmesan. The chewy pasta with creamy sauce and crispy Brussels sprouts is a perfect match.

    🙋 Frequently asked questions 

    Can I make Brussel sprout casserole ahead of time?

    Yes, this casserole can be prepared ahead of time and stored in the fridge for up to 2 days. Just cover the dish with aluminum foil instead of baking it - and when you want to cook it, make sure to remove the aluminum foil before baking it.

    Is Brussel sprout casserole vegan?

    This recipe as written is not vegan. However, vegan variations can be made by substituting the butter with margarine, the cream for coconut cream, and the cheese with a vegan cheese alternative.

    Chicken Brussel Sprout

    🧊 Storage and ♨️ Reheating 

    Brussels sprouts are stored perfectly in the fridge and freezer, and this creamy casserole tastes even better the next day reheated!

    Fridge - Transfer the Brussels sprouts casserole leftovers to an airtight container and store them in the fridge for up to 2 days.

    Freezer - If you'd like to store leftovers for longer, freeze them in an airtight container for up to 3 months. Be sure to thaw overnight in the fridge before baking.

    Reheating

    Oven - Preheat the oven to 375 degrees Fahrenheit and place the leftovers in a baking dish and bake for 25-30 minutes or until heated through.

    Microwave - Place the casserole leftovers in a microwave-safe dish and heat for 3-5 minutes until piping hot.

    👪 Serving size

    This delicious Brussel sprout casserole recipe will serve 6 people as a main dish or 8-10 people as a side dish.

    As the holidays quickly approach, many people are looking for recipes to make for get-togethers with family and friends. This chicken and Brussel sprout casserole are perfect for any occasion! It's easy to follow, quick to make, and most importantly, it's delicious. Also, try my qdoba chicken recipe for busy weekdays!

    📋 Recipe

    Chicken Brussel Sprout-featured

    Chicken Brussels Sprouts Casserole

    This creamy chicken and brussel sprout casserole is a nutrient-rich lunch or dinner recipe that everyone will absolutely love! It's super easy to make for any home cook and has layers of flavor similar to alfredo sauce.
    5 from 2 votes
    Print Pin Rate Save Saved! Share
    Course: Main Course
    Cuisine: American
    Prep Time: 15 minutes
    Cook Time: 25 minutes
    Total Time: 40 minutes
    Servings: 6
    Calories: 229kcal
    Author: Kim Grabinski

    Ingredients
     

    • 12 ounces Brussels sprouts - shredded or shaved
    • 12 ounces Cooked chicken breast cut into bite sized pieces
    • 2 tablespoons Unsalted butter
    • 3 teaspoons Minced garlic
    • 1-½ cup Heavy whipping cream
    • ½ cup Grated Parmesan cheese
    • Salt and pepper to taste
    • Fresh chopped parsley - for garnish

    Instructions

    • Preheat the oven to 350 degrees.
    • Pour the Brussels sprouts and the chicken into a greased casserole dish and toss to combine.
    • In a saucepan melt butter over medium heat.
    • Add the minced garlic to the butter, and saute until fragrant, around 30 seconds.
    • Stir in the heavy whipping cream and bring it to a low boil. Simmer for several minutes until it has thickened and reduced slightly.
    • Add in salt and pepper to taste and stir until combined.
    • Remove the thickened cream mixture from the heat, and stir in Parmesan cheese.
    • Pour the sauce mixture over the chicken and sprouts in the casserole dish, and combine well.
    • Bake uncovered for 25 minutes until the top is browned and bubbly.
    • Serve topped with freshly chopped parsley for garnish if desired.

    Notes

    Brussels sprouts size
    If you're using small brussels sprouts, It's better to leave them whole so that they don't become too soft. The large sprouts should be halved to cook perfectly.
    Thick sauce
    If your sauce is too thick, you can make it thinner by adding a small amount of vegetable or chicken broth.
    Garlic
    If you're not a fan of garlic, You can reduce the amount or use a teaspoon of garlic powder instead.

    Nutrition

    Calories: 229kcal | Carbohydrates: 6g | Protein: 17g | Fat: 15g | Saturated Fat: 8g | Cholesterol: 80mg | Sodium: 215mg | Potassium: 455mg | Fiber: 2g | Sugar: 1g | Vitamin A: 925IU | Vitamin C: 49.3mg | Calcium: 135mg | Iron: 1.1mg

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    Kim @ 730 Sage Street

    Hi, I'm Kim!

    Creating easy recipes with everyday ingredients since 2008. I believe you can make quality homemade recipes even if you are short on time and budget-conscious. You just need to dive in and learn as you go!

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