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For a delicious French onion squash casserole, gather these key ingredients: - 2 medium butternut squashes, peeled and diced into 1-inch cubes - 2 large onions, thinly sliced into rings - 3 cups vegetable broth - 1 cup grated Gruyère cheese, plus extra for garnish - 1/2 cup sour cream - 1 teaspoon dried or fresh thyme leaves - 1 tablespoon extra virgin olive oil - 2 cloves garlic, finely minced - Salt and freshly ground black pepper to taste - 1 cup seasoned breadcrumbs - 1 tablespoon fresh parsley, chopped, for a vibrant garnish You may want to change some ingredients based on what you have. Here are some great swaps: - Butternut Squash: Try acorn squash or sweet potatoes for different flavors. - Gruyère Cheese: Use Swiss or mozzarella if you need a milder cheese. - Sour Cream: Plain yogurt works well here as a lighter option. - Vegetable Broth: Chicken broth can add more flavor if you prefer. To make your casserole shine even more, serve it with these tasty sides: - A fresh green salad with a simple vinaigrette. - Crusty bread or dinner rolls for dipping. - Roasted vegetables for a colorful plate. - A sprinkle of extra herbs like thyme or parsley for freshness. Follow this guide to create a lovely and flavorful French onion squash casserole. For the full recipe, check out the details above. Start by preheating your oven to 375°F (190°C). This step warms the oven, ensuring even cooking. Grab a 9x13-inch casserole dish and lightly grease it with olive oil or butter. This helps prevent the casserole from sticking. Next, heat 1 tablespoon of olive oil in a large pot over medium heat. Add the sliced onions. Stir them often for about 15 to 20 minutes. You want them soft and golden brown. This process makes them sweet and full of flavor. With 2 minutes left, add 2 cloves of minced garlic. Stir it in to infuse the dish with that rich garlic taste. In a large mixing bowl, combine the following ingredients: - 2 medium butternut squashes, peeled and diced into 1-inch cubes - The caramelized onions from your pot - 3 cups vegetable broth - 1 teaspoon dried or fresh thyme leaves - Salt and freshly ground black pepper to taste Gently mix everything. Make sure the squash is well-coated with the broth and spices. Pour this mixture into your prepared casserole dish. Spread it out evenly. For the topping, mix 1 cup of seasoned breadcrumbs with 1 cup of grated Gruyère cheese and a pinch of salt and pepper in another bowl. Sprinkle this mix over the squash layer. Finally, dollop 1/2 cup of sour cream evenly across the top. It adds a creamy texture. Cover the dish with aluminum foil and bake it for 30 minutes. After that, remove the foil. Bake for another 20 minutes. This step makes the squash tender and the top crispy. When done, let the casserole cool for a few minutes. Garnish with fresh parsley for a pop of color. Enjoy your savory French onion butternut squash casserole! To caramelize onions, you need time and patience. Start with a large skillet over medium heat. Add your sliced onions and a bit of olive oil. Stir them often. This helps them cook evenly. Cook for 15 to 20 minutes until they turn golden brown. To add depth, add minced garlic in the last two minutes. This step gives your casserole a rich flavor. Layering is crucial for even cooking. Start with the butternut squash mix. Spread it evenly in your greased casserole dish. Next, add the caramelized onions on top. This helps the flavors meld together. After that, sprinkle the breadcrumb and cheese mix evenly over the top. Finally, dollop sour cream across the surface. This layering keeps everything moist and flavorful. Serve your casserole hot from the oven. It pairs well with a simple green salad. A crisp salad adds a nice crunch. You can also serve it with crusty bread to soak up the flavors. For a fun twist, top each serving with extra Gruyère cheese. This adds a melty touch that everyone loves. For the full recipe, check the section above. {{image_4}} If you want a gluten-free version, choose gluten-free breadcrumbs. Many stores sell them. You can also make your own. Just pulse gluten-free bread in a food processor. This option keeps the dish tasty and safe for those with gluten issues. Cheese can change the taste of your casserole. Gruyère is great, but you can try others. Cheddar offers a sharp bite. Feta adds a tangy twist. For a creamy touch, use goat cheese. Mix and match to find your favorite flavors. While butternut squash shines here, other squashes work too. Try acorn squash for a nutty flavor. Zucchini adds moisture and softness. Pumpkin can give a sweet touch. Each squash brings its own flair, making this dish fun year-round. To store leftovers, first let the casserole cool. Then, cover it tightly with plastic wrap or aluminum foil. You can also transfer it to an airtight container. Leftovers will stay fresh in the fridge for about three to four days. When you are ready to reheat, preheat your oven to 350°F (175°C). Place the casserole in a baking dish. Cover it with foil to keep it from drying out. Heat for about 20-25 minutes or until warmed through. If you want a crispy top, remove the foil for the last 5 minutes. For long-term storage, you can freeze the casserole. Slice it into portions for easy use. Wrap each portion in plastic wrap, then in foil. Label them with the date. It will last in the freezer for up to three months. To thaw, move it to the fridge overnight. Reheat as mentioned above for the best texture. For the full recipe, check out the complete guide on making this dish. Yes, you can use frozen squash or onions. However, fresh vegetables give the best taste. Frozen veggies may have extra water. Drain them well before using. This keeps your casserole from getting too watery. You can use Greek yogurt as a great substitute for sour cream. It has a similar texture and taste. Cream cheese or cashew cream also works well. Just blend them until smooth for a creamy finish. To prevent sogginess, ensure you cook the onions well. Caramelizing them reduces their moisture. Also, avoid adding too much broth. Use the right amount to keep the texture firm. Lastly, bake the casserole uncovered in the last part of cooking. For the full recipe, refer to the Savory French Onion Butternut Squash Casserole section above. This dish is not only easy to make but also full of rich flavors. Enjoy! In this blog post, we explored how to make a tasty French Onion Squash Casserole. We reviewed key ingredients and smart substitutes. You learned step-by-step instructions for cooking and layering. I shared tips for perfect caramelization and creative variations, plus how to store and reheat leftovers. Always remember, cooking is about experimenting. Enjoy the flavors and make this dish your own! The joy of cooking comes from trying new things and sharing them with friends.

French Onion Squash Casserole

Warm up your dinner table with this Savory French Onion Butternut Squash Casserole! Packed with caramelized onions, creamy Gruyère cheese, and hearty butternut squash, this comforting dish is perfect for any gathering. Discover the easy steps to create a golden, crispy topping that everyone will love. Click through to explore the full recipe and bring this delightful flavorsome dish to your kitchen today!
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Ingredients
  

2 medium butternut squashes, peeled and diced into 1-inch cubes

2 large onions, thinly sliced into rings

3 cups vegetable broth

1 cup grated Gruyère cheese, plus extra for garnish

1/2 cup sour cream

1 teaspoon dried or fresh thyme leaves

1 tablespoon extra virgin olive oil

2 cloves garlic, finely minced

Salt and freshly ground black pepper to taste

1 cup seasoned breadcrumbs

1 tablespoon fresh parsley, chopped, for a vibrant garnish

Instructions
 

Preheat your oven to 375°F (190°C). Prepare a 9x13-inch casserole dish by lightly greasing it with olive oil or butter to prevent sticking.

    In a large pot, heat the olive oil over medium heat. Add the sliced onions and sauté them, stirring frequently, for approximately 15-20 minutes until they become soft, caramelized, and a beautiful golden brown color. In the final 2 minutes of cooking, stir in the minced garlic to infuse its flavor.

      In a spacious mixing bowl, combine the diced butternut squash, the caramelized onions, vegetable broth, thyme, salt, and pepper. Gently stir until everything is evenly mixed.

        Pour the butternut squash mixture into your prepared casserole dish, spreading it out evenly.

          In a separate bowl, mix the seasoned breadcrumbs with the grated Gruyère cheese and a pinch of salt and pepper. Evenly sprinkle this delicious breadcrumb mixture over the top of the squash and onion layer.

            Using a spoon, dollop the sour cream evenly across the surface to add creaminess in every bite.

              Cover the casserole with aluminum foil and bake it in the preheated oven for 30 minutes. After 30 minutes, carefully remove the foil and bake for an additional 20 minutes until the butternut squash is tender and the top is golden and crispy.

                Once you remove it from the oven, let the casserole cool for a few minutes to set before serving. Top with the freshly chopped parsley for a vibrant finish.

                  Prep Time: 20 min | Total Time: 1 hr 20 min | Servings: 6

                    - Presentation Tips: Serve the casserole directly in the dish for a cozy, rustic presentation. For individual servings, scoop portions onto plates and top them with a sprinkle of extra Gruyère cheese for a delightful melty touch.