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Autumn Chicken and Veggie Casserole

This casserole combines tender cooked chicken, roasted garlic, and sweet squash layered with hearty ingredients, all baked until bubbly and golden. It features a creamy, cheesy topping that forms a comforting crust, with textures ranging from soft vegetables to crispy edges.
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Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Servings: 4
Course: Main Course
Cuisine: American
Calories: 350
Ingredients Equipment Method Notes

Ingredients
  

  • 2 cups cooked chicken, shredded rotisserie or leftover cooked chicken
  • 1 lb butternut squash or sweet squash, cubed peeled and seed removed
  • 4 cloves garlic, minced roasted for best flavor
  • 1 medium onion, sliced
  • 1 cup cheddar cheese, shredded or a mix of cheeses
  • 1/2 cup ricotta cheese for creaminess
  • 2 tbsp olive oil for roasting and sautéing
  • 1 tsp dried thyme
  • to taste salt and pepper

Equipment

  • Baking dish
  • Mixing Bowls
  • Sauté pan
  • Cutting board
  • Chef's knife

Method
 

  1. Preheat your oven to 400°F (200°C). Toss the cubed squash with one tablespoon of olive oil, minced garlic, thyme, salt, and pepper. Spread in a single layer on a baking sheet and roast for about 20-25 minutes until tender and caramelized, filling your kitchen with a warm, sweet aroma.
  2. While the squash roasts, sauté the sliced onion with a tablespoon of olive oil in a large skillet over medium heat until soft and fragrant, about 5 minutes. Set aside.
  3. In a large mixing bowl, combine the shredded chicken, roasted squash, sautéed onions, ricotta, and half of the shredded cheese. Mix gently to incorporate the ingredients evenly, creating a creamy filling with vibrant autumn flavors.
  4. Transfer the mixture into a greased baking dish, spreading it out into an even layer. Sprinkle the remaining cheese on top to create a melty, golden crust.
  5. Bake in the preheated oven for 15-20 minutes until bubbly and the cheese on top is melted and golden. The edges may caramelize slightly, adding to the dish’s cozy appeal.
  6. Once baked, let the casserole rest for 5 minutes. Then, scoop onto plates and enjoy the warm, cheesy, fall-inspired flavors with a side of your favorite greens or bread.

Notes

Feel free to add fresh sage or parsley for extra fall scent. For a gluten-free version, omit the cheese topping or replace with almond meal.