Chicken Cauliflower Casserole

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This Chicken Cauliflower Casserole is super cheesy, creamy, and flavorful, with bacon bits, and green onions for garnish. It makes a great side dish or main dish.

» Looking for more? Try one of these Keto & Low Carb Chicken Casserole Recipes.

Chicken cauliflower casserole
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Cauliflower and chicken both are go-to ingredients for me on a low-carb or keto diet because they’re both so versatile and can be used in so many different ways.

In this dish, there’s really no need for a starch, like pasta or potatoes, because the cauliflower really takes it’s place. You won’t miss it, really. The dish is fantastic on its own.

One serving has just 3 net carbs.

Chicken cauliflower casserole

Ingredients You’ll Need

This dish has just a few main staple ingredients that you’ll need to make the creamy cheese sauce. Some of the ingredients will be pre-cooked before putting in the oven for a final bake.

Here are the ingredients:

  • Chicken – You can use boneless skinless chicken breast or thighs. I like to use thighs because they don’t get dry during cooking and they have more flavor. Cube the chicken into bite-sized pieces.
  • Cauliflower – You’ll need about 3 cups of cauliflower, which is the yield from a medium-sized cauliflower, if you’re cutting it up yourself. Make sure to cut the florets into bite-sized pieces. It’s good if they’re about the same size as the cubes of chicken.
  • Bacon/Lardons – You can use strips of bacon, but I prefer to use lardons, which are slightly thicker chunks of bacon.
  • Cheddar Cheese – I use white cheddar, but you can use yellow cheddar, if you want. A medium to sharp cheese adds great flavor to the dish.
  • Butter
  • Olive oil
  • Sour cream
  • Heavy whipping cream or half & half
  • Garlic
  • Salt & pepper
  • Green onion & Parmesan – for garnish
Chicken cauliflower casserole

How to Make Chicken Cauliflower Casserole

Pre-heat the oven to 400°F (200°C). Lightly grease an 8×8” oven-safe dish. Set it aside while you prepare the other elements.

Add the cauliflower to a pot of boiling water. Reduce heat and simmer for 3 minutes, just until the cauliflower is tender. It will continue cooking in the oven. Drain and pour the cauliflower into the baking dish.

Cauliflower in a baking dish

Meanwhile, heat a tablespoon of olive oil in a frying pan over medium/high heat. Add the diced chicken and lardons to the pan and cook through, about 5 minutes. Add the meat to the baking dish.

Next, heat the butter in the frying pan over a low/medium heat. Add the garlic, sour cream, heavy whipping cream, salt and pepper, plus half of the shredded cheddar. Stir until smooth, about 2 minutes.

Cheese sauce

Pour the sauce over the cauliflower and chicken in the baking dish and stir it all up. Sprinkle the remaining cheddar over the top of the dish.

Bake for 20-25 minutes until golden and bubbly. If the sauce is still a bit thin at 20 minutes, stir the casserole and put it back in for 5 more minutes. Let is rest for a few minutes before serving. It will firm up more as it rests.

Chicken cauliflower casserole

Serve with green onions and a sprinkle of Parmesan cheese, if you like.

The dish has 6 grams of carbs and 2 grams of fiber, for 4 net grams of carbs per serving. That makes it an ideal dinner casserole that fits within even the most strict carb counts.

Can It Be Stored in the Freezer?

This dish isn’t ideal for freezing because the cauliflower loses its texture when reheated. It’s best to make it fresh and consume it within a couple of days. It can be stored in the refrigerator for up to 5 days and reheated.

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Chicken cauliflower casserole

Chicken Cauliflower Casserole

This Chicken Cauliflower Casserole is super cheesy, creamy, and flavorful, with bacon bits, and green onions for garnish. It makes a great side dish or main dish.
5 from 12 votes
Print Rate
Course: Main Course
Cuisine: American
Keyword: Cauliflower, Chicken
Prep Time: 15 mins
Cook Time: 20 mins
Total Time: 35 mins
Servings: 4 Servings
Calories: 559kcal
Author: Laura

Ingredients

  • 3 cups cauliflower cut into florets
  • 1 tablespoon extra virgin olive oil
  • 1/2 pound boneless skinless chicken breast or thighs diced
  • 3 ounces bacon lardons
  • 1 tablespoon butter
  • 1 clove garlic minced
  • 1/2 cup sour cream
  • 1/4 cup heavy whipping cream
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 1 cup white cheddar cheese shredded
  • 2 green onions chopped
  • 1 tbsp shredded Parmesan cheese for garnish

Instructions

  • Pre-heat the oven to 400°F (200°C). Lightly grease an 8×8” oven-safe dish.
  • Add the cauliflower to a pot of boiling water. Reduce heat and simmer for 3 minutes, just until tender. Drain and pour the cauliflower into the baking dish.
  • Meanwhile, heat a tablespoon of olive oil in a frying pan over a medium/high heat. Add the diced chicken and lardons to the pan and cook through, about 5 minutes. Add the meat to the baking dish.
  • Next, heat the butter in the frying pan over a low/medium heat. Add the garlic, sour cream, heavy whipping cream, salt and pepper, plus half of the shredded cheddar. Stir until smooth, about 2 minutes.
  • Pour the sauce over the baking dish and stir to coat. Sprinkle the remaining cheddar over the top of the dish.
  • Bake for 20-25 minutes until golden and bubbly.
  • Serve with green onions and a sprinkle of Parmesan cheese.

Notes

  • This recipes contains 4 net grams of carbs per serving.
  • Store any left overs in the refrigerator. It’s not ideal for freezing.

Nutrition

Calories: 559kcal | Carbohydrates: 6g | Protein: 22g | Fat: 50g | Saturated Fat: 24g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 19g | Trans Fat: 1g | Cholesterol: 130mg | Sodium: 661mg | Potassium: 537mg | Fiber: 2g | Sugar: 3g | Vitamin A: 856IU | Vitamin C: 39mg | Calcium: 286mg | Iron: 1mg

The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.

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Chicken cauliflower casserole
Chicken Cauliflower Casserole

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