Keto Chicken Broccoli Casserole
Dinners + Mains

Keto Chicken Broccoli Casserole

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Easy Chicken and Broccoli Casserole baked in a cast iron skillet. This simple and delicious keto dinner comes together in 25 minutes or less. Rich and hearty and only 6g total carbs.

Recipe from All Day I Dream About Food

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Keto Chicken Broccoli Casserole
Nutrition Info Print Recipe
  • Prep: 5 m
  • Cook: 16 m
  • Total: 21 m
  • Servings:


  • 1/4 cup butter divided
  • 12 oz broccoli coarsely chopped
  • 2 cloves garlic minced
  • 1 cup heavy whipping cream
  • 1 1/2 cup mozzarella shredded, divided
  • 1/2 cup parmesan cheese grated
  • salt
  • pepper
  • 3 cups chicken cooked, chopped (about 1 1/4 lb)


  1. Set a 10-inch ovenproof skillet over medium heat and add 2 tablespoons of the butter. Once melted, add the broccoli and sauté until bright green and just tender, about 4 minutes. Remove the broccoli to a bowl.
  2. Melt the remaining butter in the pan and add the garlic, cooking until fragrant, about 1 minute. Add the cream and bring to a simmer, then cook until reduced by about half, 3 to 5 minutes.
  3. Stir in 1/2 cup of the mozzarella and all of the Parmesan until melted. Season with salt and pepper to taste. Stir in the broccoli and the chicken and top with the remaining 1 cup of mozzarella cheese.
  4. Preheat the broiler. Set the pan about 6 inches from the heat and broil until the cheese is beginning to brown, 2 to 5 minutes (depends on how intense your broiler is!).
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