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Hearty Fall Vegetable and Cranberry Casserole

This casserole combines roasted fennel, caramelized onions, and vibrant leftover cranberry sauce topped with a cheesy layer. The dish is baked until bubbly and golden, featuring tender vegetables and a melty, crispy cheese topping. It offers a comforting, colorful centerpiece with warm, seasonal flavors and textures.
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Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Servings: 4
Course: Main Course
Cuisine: American
Calories: 320
Ingredients Equipment Method Notes

Ingredients
  

  • 1 bulb fennel sliced thin
  • 2 medium onions thinly sliced
  • 2 tbsp olive oil for caramelizing
  • 1 cup cranberry sauce leftover or store-bought
  • 1 1/2 cups cheddar cheese shredded
  • 1 tsp dried thyme optional
  • Salt and pepper to taste

Equipment

  • Baking dish
  • Mixing bowls
  • Oven
  • Skillet or frying pan
  • Knife
  • Cutting board

Method
 

  1. Preheat your oven to 375°F (190°C). Slice the fennel bulbs thinly and thinly slice the onions. Heat olive oil in a skillet over medium heat, then add fennel and onions. Cook, stirring occasionally, until they become golden brown and caramelized, about 15-20 minutes. This will fill your kitchen with a sweet, roasted aroma.
  2. Transfer the sautéed fennel and onions to a baking dish. Spread the leftover cranberry sauce evenly over the vegetables, creating a vibrant, tangy layer that contrasts with the warm roasted flavors.
  3. Sprinkle dried thyme, salt, and pepper over the cranberry layer to enhance the seasonal flavors. This adds depth and aroma to the dish.
  4. Sprinkle the shredded cheddar cheese evenly over the top of the casserole. Use plenty so that it melts into a cheesy, bubbling crust once baked.
  5. Place the casserole in the oven and bake for about 25-30 minutes, or until the cheese is melted, bubbly, and has turned golden brown around the edges. You'll notice the aroma of cheese and roasted vegetables filling your kitchen.
  6. Remove the casserole from the oven and let it rest for 5 minutes. This helps the layers settle and makes serving easier. The top should be crispy and browned, while the inside remains tender and flavorful.

Notes

You can customize the cheese or add toasted nuts for extra texture. Serve warm as a hearty side or main dish.