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The EASIEST Keto Cheesy Crockpot Chicken and Broccoli Casserole

This Keto Cheesy Crockpot Chicken and Broccoli Casserole is the ULTIMATE low-carb comfort food — creamy, rich, and unbelievably easy. With a quick stovetop prep and only 2 hours in the slow cooker, it delivers the BEST cheesy, hearty texture without the carbs or hassle.
Prep Time15 minutes
Cook Time2 hours
Total Time2 hours 15 minutes
Course: Dinner, Main Course
Cuisine: Keto Comfort Food, Low Carb
Keyword: cheesy crockpot chicken, keto chicken casserole, keto slow cooker recipe, low carb broccoli casserole
Servings: 8 servings
Calories: 435kcal
Cost: 14

Equipment

  • 6-quart slow cooker
  • saucepan for cream sauce
  • wooden spoon
  • cutting board and knife
  • measuring cups and spoons

Ingredients

  • 30 oz frozen broccoli florets (do not thaw)
  • 3 cups pre-cooked shredded chicken (rotisserie or leftover)
  • 2 tbsp butter
  • 1/2 onion, chopped
  • 2 tsp minced garlic
  • 1 1/2 cups heavy whipping cream
  • 1 cup unsweetened almond milk
  • 2 cups shredded sharp cheddar cheese
  • 1/4 cup chopped green onions
  • salt and pepper, to taste
  • crushed pork rinds or baked Parmesan (optional topping)

Instructions

  • Add frozen broccoli florets, shredded chicken, and green onions to the slow cooker.
  • In a saucepan, melt butter over medium heat. Add chopped onion and sauté for 5 minutes until soft. Stir in garlic and cook for 30 seconds until fragrant.
  • Pour in heavy cream and almond milk. Season with salt and pepper. Simmer gently for 3–5 minutes, stirring constantly, until slightly thickened.
  • Pour the thickened cream sauce over the chicken and broccoli in the crockpot. Top evenly with shredded cheddar cheese.
  • Cover and cook on HIGH for 2 hours (or until cheese is melted and bubbly, and broccoli is tender).
  • Serve hot, topped with optional crushed pork rinds, extra cheese, or chopped green onions.

Notes

Use pre-cooked shredded chicken and frozen broccoli for speed and convenience. Pre-simmering the cream sauce for 3–5 minutes ensures the perfect thick, velvety consistency. Add a crunchy topping of crushed pork rinds or baked Parmesan just before serving for extra texture and flavor.