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Seriously The Best Chicken & Broccoli Casserole

This casserole brings together tender chicken, vibrant broccoli, and earthy mushrooms, all wrapped in a rich, dairy-free Alfredo-style sauce.
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Course: Dinner, Main Course
Cuisine: American
Keyword: Seriously The Best Chicken & Broccoli Casserole
Prep Time: 20 minutes
Cook Time: 25 minutes
Total Time: 45 minutes
Servings: 6
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Ingredients

  • 4 cups cooked and shredded chicken
  • 2 tbsp olive oil
  • 2 heads broccoli, florets removed
  • 10 cremini mushrooms, sliced
  • 1/2 small onion, diced
  • 1 cup chicken broth
  • 1 recipe Vegan Alfredo Sauce
  • Salt and pepper, to taste
  • Rosemary, for garnish

Instructions

  1. Prepare the Vegan Alfredo Sauce first and set it aside. (It can also be prepared a day ahead and refrigerated.)
  2. Preheat your oven to 400°F.
  3. Warm the olive oil in a large sauté pan over medium heat. Add the sliced mushrooms and diced onion, cooking for about 3 minutes.
  4. Add the broccoli florets—cut into bite-size pieces—to the pan and continue cooking for another 3 minutes, or until the broccoli has brightened and softened slightly.
  5. Spread the shredded chicken evenly across the bottom of a 9×13-inch casserole dish. Layer the sautéed vegetables over the chicken.
  6. Whisk the chicken broth into the Vegan Alfredo Sauce. Pour this mixture evenly over the casserole, using a spatula to help distribute it if needed.
  7. Bake for 20–25 minutes, or until the sauce is bubbling and has thickened a bit.
  8. Add a sprinkle of fresh rosemary before serving, if you like.
Notes
  • The Vegan Alfredo Sauce requires pre-soaked cashews, so plan ahead when prepping the recipe.
  • This casserole keeps well and makes a great meal-prep option.
 
Nutrition
Calories: 417kcal | Carbohydrates: 27.3g | Protein: 42.8g | Fat: 17.4g | Saturated Fat: 3.4g | Cholesterol: 76.9mg | Sodium: 594mg | Fiber: 8.3g | Sugar: 7.1g
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