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Small bowl of cheesy chicken and broccoli casserole

Low Carb Cheesy Chicken and Broccoli Casserole | 21 Day Fix Cheesy Chicken and Broccoli Casserole

  • Author: Nancylynn
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour
  • Yield: 4 servings 1x
  • Category: Low Carb Dinner
  • Method: Stovetop/Oven
  • Cuisine: American


This Low Carb Cheesy Chicken and Broccoli Casserole made with cauliflower rice is one of our new favorite dinners for the 21 Day Fix and for 2B Mindset!


  • 2 cups of cauliflower rice, thawed if frozen (although I have done it from frozen in a pinch!)
  • 2 cups of broccoli florets
  • 1 lb of chicken tenderloins, cut into bite sized pieces
  • 4 tsp of rice flour or gf flour blend
  • 4 tsp vegan butter or ghee
  • 1 cup of unsweetened original almond milk
  • 1 1/3 cups shredded cheddar cheese (use Daiya for dairy free!)
  • Himalayan salt


  1. Preheat your oven to 350 degrees and lightly spray a casserole dish with cooking oil. Add cauliflower rice to the bottom of the dish and sprinkle with a pinch of sea salt.
  2. Next, add the chicken and, again, sprinkle with a pinch of salt. Add in broccoli next. Set casserole dish aside.
  3. For the cheese sauce, in a large skillet, melt butter over medium heat. Sprinkle in the flour and whisk together. Slowly whisk in the almond milk, and continue to whisk until the mixture comes to a boil and begins to thicken. Once thickened, remove sauce from heat and stir in 1 cup of cheddar cheese until fully melted, adding salt to taste.
  4. Pour cheese sauce over casserole, using a rubber spatula or spoon to spread out the cheese. Top with remaining cheese and place in the oven for 45 minutes or until cheese starts to bubble.
  5. Set to a low broil to brown the cheese for 4-5 minutes before removing from the oven.


Makes 4 servings

21 Day Fix: 1 GREEN, 1 RED, 1 BLUE, 1 TSP (per serving)

WW: Green – 8 points, Blue – 7 points, Purple – 7 points (per serving) [Calculated using reduced fat cheese and rice flour]


  • Serving Size: 1/4 of casserole dish