Keto Chicken Divan Casserole

If you want a chicken recipe that’s rich with flavor, you’re going to love this keto chicken Divan casserole!

This easy keto recipe can be made with rotisserie chicken bought straight from the grocery store or with leftover chicken of any kind.

It’s a low-carb chicken divan recipe that features a homemade creamy, cheesy sauce, fresh broccoli, and mushrooms, and then is topped with a keto-friendly bread topping.

Rather than canned soup and regular bread crumbs, it’s made with easy-to-source ingredients that are good for you for a much healthier option that also happens to be gluten-free!

At 5.6 g net carbs, it’s the ultimate comfort food to bring to a family gathering or to make for a weeknight dinner with the whole family.

Add this recipe to your keto meal planning rotation for a casserole dish your whole family will love!

Be sure to visit our keto casserole recipes and our keto chicken recipes for more delicious options.

Keto Chicken Divan

Wondering how chicken divan got its name?

Well, chicken Divan is named after its birthplace at Divan Parisien Restaurant, a now-defunct upscale restaurant that operated within the Chatham Hotel in New York City, where it was created by Chef Anthony Lagasi and served as a signature dish in the early 20th century.

In French, the word divan refers to a meeting place or great hall.

The earliest recipes for Chicken Divan were found in cookbooks written in the late 1950s and early 1960s. However, because the original recipe was kept secret, their level of authenticity remains unknown.

One version of the Chicken Divan recipe that is a close approximation to Lagasi’s recipe calls for poached chicken breasts, broccoli, and Mornay sauce enriched with egg yolks.

Nowadays, it’s prepared with Parmesan cheese, with one version using pre-cooked chicken, mayonnaise, and canned soup (like cream of chicken soup), while other versions use potato chips.

However, for this keto chicken divan casserole recipe, we will make our cheese sauce since a can of cream of chicken soup is not only loaded with preservatives and gluten but also extremely high in carbs.

Ingredients Needed To Make Keto Chicken Divan

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Here are the ingredients needed to make this low-carb chicken casserole. Note that the full printable recipe card is at the bottom of the page.

• Fresh broccoli cut into bite-sized pieces, about 8 cups
• Cooked chicken, shredded (can be rotisserie chicken)
• Shredded cheddar cheese, divided
• Heavy cream
• Sour cream
• Mayonnaise use an avocado oil mayo
• Cream cheese softened
• Baby Bella mushrooms, sliced
• Small yellow onion, finely chopped
• Garlic powder
• Onion powder,
• Red pepper flakes
• Brown mustard
• Curry powder
• Salt
• Black pepper
• Worcestershire sauce

Topping

• Almond flour
• Finely grated parmesan cheese
• Melted, unsalted butter
• Salt
• Black pepper
• Italian spices

How To Make Keto Chicken Divan

First, you need to preheat the oven to 375 degrees F. Then, cook the cut broccoli in a large pot of boiling water for 2-3 minutes or until tender-crisp. Drain it well.

Next, you’ll make the sauce in a small pot over medium-low heat by mixing the heavy cream, sour cream, mayonnaise, cream cheese, garlic powder, onion powder, red pepper flakes, brown mustard, curry powder, Worcestershire sauce, salt, and pepper.

Cook the sauce until it is smooth and combined. Then add half the shredded cheddar cheese and continue to cook until the sauce is fully incorporated. Set it aside.

To assemble the casserole, mix the cooked broccoli and chicken into the sauce and spread into a 3-quart casserole dish (or a 9 x 13-inch baking pan). Add the sliced mushrooms and onion over the top of the casserole, and then top it with the remaining cheese.

For the topping, mix the almond flour, parmesan cheese, Italian spices, salt, and pepper in a small bowl. Sprinkle the topping over the chicken mixture, and drizzle the melted butter over the top. 

Bake the casserole for 30 to 35 minutes, or until it is golden brown and bubbling. Serve over cauliflower rice.

Note that you can use frozen broccoli if you prefer; you’ll just need to cook it before adding it to the casserole.

Make Ahead Instructions For This Keto Chicken Casserole

This easy keto-friendly casserole can be made ahead, saving you time and making it easier to bring dinner to the table.

You’ll assemble the casserole and place it in a freezer- and oven-safe container. Then, cover the casserole with plastic wrap and aluminum foil and freeze it for up to 2 months.

When ready to bake, defrost in the refrigerator for 6 hours or overnight, then bake at 375 degrees for about 50–60 minutes or until golden brown and bubbling.

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