Butternut Squash Casserole with Creamy Sauce

Follow our step-by-step guide on how to make Butternut Squash Casserole with Creamy Sauce.

1. Step 1

   Begin by preheating your oven to a toasty 425°F (220°C) and generously greasing a 9x13-inch casserole dish to ensure easy serving later.

2. Step 2

   In a skillet, warm up some olive oil over medium heat, then toss in the chopped onions.

3. Step 3

   Sauté them until they become tender and fragrant, which should take about 10 minutes.

4. Step 4

   Next, introduce the cubed butternut squash and crushed garlic to the skillet, seasoning the mix with a pinch of salt.

5. Step 5

   Stir occasionally, allowing the squash to soften slightly for another 10 minutes; if it starts to dry out, a splash of water will do the trick.

6. Step 6

   Once ready, transfer this vibrant squash mixture into your prepared casserole dish.

7. Step 7

   In a separate bowl, whisk the eggs lightly, then blend in the sour cream, grated Parmesan cheese, chopped basil, and a dash of ground black pepper until everything is harmoniously combined.

8. Step 8

   Pour this creamy egg mixture over the squash in the casserole dish, and finish by sprinkling a generous layer of shredded mozzarella cheese on top.

9. Step 9

   Slide the dish into your preheated oven and bake for about 30 minutes, or until the squash is tender and the mozzarella is bubbling with golden perfection.

10. Step 10

    Enjoy the delightful aroma wafting through your kitchen as you await this comforting dish!.