Thanksgiving Green Bean Casserole: The Ultimate Holiday Recipe

Thanksgiving Green Bean Casserole: it's a holiday staple that sparks both nostalgia and, let's be honest, sometimes a little debate! But before you dismiss it as just another canned-soup concoction, let me tell you why this classic dish deserves a place on your Thanksgiving table – and why my updated version might just convert even the staunchest skeptics.

The history of Thanksgiving Green Bean Casserole is surprisingly recent. It was invented in 1955 by Dorcas Reilly, a Campbell Soup Company employee, as a way to showcase their cream of mushroom soup. Little did she know, she was creating a culinary icon! While some may scoff at its humble origins, the casserole's enduring popularity speaks volumes about its comforting simplicity and crowd-pleasing flavor.

What is it about this dish that makes it so beloved? For many, it's the taste of childhood memories, of family gatherings and holiday traditions. The creamy, savory sauce, the tender-crisp green beans, and the satisfying crunch of those crispy fried onions – it's a textural and flavorful symphony that's hard to resist. Plus, let's face it, it's incredibly easy to make, freeing up valuable time and oven space for other Thanksgiving masterpieces. So, whether you're a lifelong fan or a curious newcomer, get ready to experience the magic of Thanksgiving Green Bean Casserole in a whole new light!

Thanksgiving Green Bean Casserole

Ingredients:

  • 2 pounds fresh green beans, trimmed
  • 1 tablespoon olive oil
  • 1 medium yellow onion, chopped
  • 8 ounces cremini mushrooms, sliced
  • 4 cloves garlic, minced
  • 1/4 cup all-purpose flour
  • 3 cups chicken broth
  • 1 cup heavy cream
  • 1/4 cup soy sauce
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon nutmeg
  • 1/2 teaspoon salt, or to taste
  • 6 ounces crispy fried onions, divided (such as French's)
  • 2 tablespoons butter, melted
  • 1/4 cup grated Parmesan cheese (optional)

Preparing the Green Beans:

  1. First, we need to blanch the green beans. Bring a large pot of salted water to a rolling boil. The salt helps season the beans from the inside out!
  2. Add the trimmed green beans to the boiling water and cook for 3-5 minutes, or until they are bright green and slightly tender-crisp. Don't overcook them, we want them to retain some bite.
  3. Immediately transfer the green beans to an ice bath (a bowl filled with ice and water). This stops the cooking process and helps preserve their vibrant color. Let them sit in the ice bath for a few minutes until completely cooled.
  4. Drain the green beans thoroughly and set them aside. You can pat them dry with paper towels to remove any excess moisture. This will prevent the casserole from becoming watery.

Making the Mushroom Sauce:

  1. Now, let's get started on the creamy mushroom sauce, the heart of our casserole! Heat the olive oil in a large skillet or Dutch oven over medium heat.
  2. Add the chopped yellow onion and cook until softened and translucent, about 5-7 minutes. Stir occasionally to prevent burning. We want the onions to be nice and sweet.
  3. Add the sliced cremini mushrooms to the skillet and cook until they are softened and have released their moisture, about 8-10 minutes. Stir occasionally. The mushrooms will shrink down quite a bit as they cook.
  4. Add the minced garlic to the skillet and cook for another minute, until fragrant. Be careful not to burn the garlic, as it can become bitter.
  5. Sprinkle the all-purpose flour over the mushroom mixture and cook for 1-2 minutes, stirring constantly. This will help thicken the sauce. Make sure the flour is fully incorporated and there are no lumps.
  6. Slowly pour in the chicken broth, whisking constantly to prevent lumps from forming. Continue whisking until the sauce is smooth.
  7. Add the heavy cream, soy sauce, black pepper, nutmeg, and salt to the sauce. Stir to combine. The soy sauce adds a wonderful umami flavor that really elevates the casserole.
  8. Bring the sauce to a simmer and cook for 5-7 minutes, or until it has thickened slightly. Stir occasionally to prevent sticking. The sauce should be thick enough to coat the back of a spoon.
  9. Taste the sauce and adjust the seasoning as needed. You may want to add more salt, pepper, or soy sauce to your liking.

Assembling the Casserole:

  1. Preheat your oven to 350°F (175°C).
  2. In a large bowl, combine the blanched green beans and the creamy mushroom sauce. Toss gently to coat the green beans evenly.
  3. Pour the green bean mixture into a 9x13 inch baking dish. Spread it out in an even layer.
  4. In a separate small bowl, combine 4 ounces of the crispy fried onions (reserve the remaining 2 ounces for topping) with the melted butter. Toss to coat. This helps the onions stay crispy during baking.
  5. Sprinkle the buttered crispy fried onions evenly over the green bean mixture in the baking dish.
  6. If using, sprinkle the grated Parmesan cheese over the top of the casserole. This adds a nice cheesy flavor and a golden-brown crust.

Baking the Casserole:

  1. Bake the casserole in the preheated oven for 20-25 minutes, or until it is heated through and the topping is golden brown and bubbly.
  2. Remove the casserole from the oven and sprinkle the remaining 2 ounces of crispy fried onions over the top.
  3. Let the casserole sit for a few minutes before serving. This allows the sauce to thicken slightly and the flavors to meld together.

Tips and Variations:

  • Use fresh mushrooms: While canned mushrooms can be used in a pinch, fresh mushrooms will give the casserole a much better flavor and texture. I highly recommend using cremini or baby bella mushrooms.
  • Add bacon: For a smoky flavor, add cooked and crumbled bacon to the casserole. About 4-6 slices of bacon should be enough.
  • Spice it up: Add a pinch of red pepper flakes to the mushroom sauce for a little bit of heat.
  • Make it vegetarian: Use vegetable broth instead of chicken broth to make the casserole vegetarian.
  • Make it ahead: You can assemble the casserole ahead of time and store it in the refrigerator for up to 24 hours. Add the final topping of crispy fried onions just before baking.
  • Use different beans: While green beans are traditional, you can also use other types of beans, such as haricot verts or wax beans.
  • Add other vegetables: Feel free to add other vegetables to the casserole, such as carrots, celery, or peas.
  • Make it gluten-free: Use gluten-free flour and gluten-free crispy fried onions to make the casserole gluten-free.
  • Crispy Onion Tip: To prevent the crispy fried onions from burning, you can tent the casserole with aluminum foil during the last 10 minutes of baking.
  • Broth Consistency: If your sauce is too thick, add a little more chicken broth to reach your desired consistency. If it's too thin, simmer for a few more minutes to allow it to reduce.

Thanksgiving Green Bean Casserole

Conclusion:

And there you have it! This isn't just any green bean casserole; it's a Thanksgiving Green Bean Casserole reimagined, elevated, and ready to steal the show at your holiday table. I truly believe this recipe is a must-try because it takes a classic dish, often relegated to the sidelines, and transforms it into a star. We've banished the bland and embraced the bold, creating a depth of flavor that will have everyone reaching for seconds (and maybe even thirds!). What makes this version so special? It's the combination of fresh green beans, the creamy, homemade mushroom sauce (no canned soup here!), and that crispy, golden-brown topping that's just begging to be devoured. The toasted almonds add a delightful crunch and nutty flavor that perfectly complements the earthy mushrooms and vibrant green beans. It's a symphony of textures and tastes that will leave you and your guests completely satisfied. But the best part? It's surprisingly easy to make! While it does require a little more effort than simply opening a can, the results are well worth it. I promise, once you taste the difference, you'll never go back to the canned soup version again. This Thanksgiving Green Bean Casserole is a testament to the power of fresh ingredients and a little bit of love in the kitchen.

Serving Suggestions and Variations:

This casserole is, of course, the perfect accompaniment to your Thanksgiving turkey, ham, or vegetarian main course. But don't limit it to just Thanksgiving! It's also a wonderful side dish for any holiday gathering, potluck, or even a simple weeknight dinner. Looking to add your own personal touch? Here are a few variations you might enjoy: * Spice it up: Add a pinch of red pepper flakes to the mushroom sauce for a subtle kick. * Cheese, please!: Sprinkle some shredded Gruyere or Parmesan cheese over the casserole before baking for an extra layer of flavor and richness. * Bacon bliss: Cook some bacon until crispy, crumble it, and add it to the topping for a smoky, savory twist. * Vegetarian delight: Ensure your vegetable broth is vegetarian-friendly. You can also add other vegetables to the casserole, such as roasted red peppers or caramelized onions. * Make it ahead: You can assemble the casserole a day or two in advance and store it in the refrigerator. Just add the topping right before baking. I'm so excited for you to try this recipe and experience the joy of a truly delicious Thanksgiving Green Bean Casserole. It's a dish that's sure to become a family favorite for years to come. So, what are you waiting for? Head to the kitchen, gather your ingredients, and get ready to create a Thanksgiving masterpiece! And when you do, please, please, please share your experience with me! I'd love to hear how it turned out, what variations you tried, and what your family and friends thought. You can leave a comment below, tag me on social media, or send me an email. I can't wait to see your culinary creations! Happy cooking, and happy Thanksgiving!


Thanksgiving Green Bean Casserole: The Ultimate Holiday Recipe

Thanksgiving Green Bean Casserole: The Ultimate Holiday Recipe Recipe Thumbnail

Classic green bean casserole made from scratch with fresh green beans, a creamy mushroom sauce, and crispy fried onions.

Prep Time20 minutes
Cook Time45 minutes
Total Time65 minutes
Category: Dinner
Yield: 8-10 servings

Ingredients

  • 2 pounds fresh green beans, trimmed
  • 1 tablespoon olive oil
  • 1 medium yellow onion, chopped
  • 8 ounces cremini mushrooms, sliced
  • 4 cloves garlic, minced
  • 1/4 cup all-purpose flour
  • 3 cups chicken broth
  • 1 cup heavy cream
  • 1/4 cup soy sauce
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon nutmeg
  • 1/2 teaspoon salt, or to taste
  • 6 ounces crispy fried onions, divided (such as French's)
  • 2 tablespoons butter, melted
  • 1/4 cup grated Parmesan cheese (optional)

Instructions

  1. Bring a large pot of salted water to a rolling boil.
  2. Add the trimmed green beans to the boiling water and cook for 3-5 minutes, or until they are bright green and slightly tender-crisp.
  3. Immediately transfer the green beans to an ice bath (a bowl filled with ice and water). Let them sit in the ice bath for a few minutes until completely cooled.
  4. Drain the green beans thoroughly and set them aside. Pat them dry with paper towels to remove any excess moisture.
  5. Heat the olive oil in a large skillet or Dutch oven over medium heat.
  6. Add the chopped yellow onion and cook until softened and translucent, about 5-7 minutes, stirring occasionally.
  7. Add the sliced cremini mushrooms to the skillet and cook until they are softened and have released their moisture, about 8-10 minutes, stirring occasionally.
  8. Add the minced garlic to the skillet and cook for another minute, until fragrant.
  9. Sprinkle the all-purpose flour over the mushroom mixture and cook for 1-2 minutes, stirring constantly.
  10. Slowly pour in the chicken broth, whisking constantly to prevent lumps from forming. Continue whisking until the sauce is smooth.
  11. Add the heavy cream, soy sauce, black pepper, nutmeg, and salt to the sauce. Stir to combine.
  12. Bring the sauce to a simmer and cook for 5-7 minutes, or until it has thickened slightly. Stir occasionally.
  13. Taste the sauce and adjust the seasoning as needed.
  14. Preheat your oven to 350°F (175°C).
  15. In a large bowl, combine the blanched green beans and the creamy mushroom sauce. Toss gently to coat the green beans evenly.
  16. Pour the green bean mixture into a 9x13 inch baking dish. Spread it out in an even layer.
  17. In a separate small bowl, combine 4 ounces of the crispy fried onions (reserve the remaining 2 ounces for topping) with the melted butter. Toss to coat.
  18. Sprinkle the buttered crispy fried onions evenly over the green bean mixture in the baking dish.
  19. If using, sprinkle the grated Parmesan cheese over the top of the casserole.
  20. Bake the casserole in the preheated oven for 20-25 minutes, or until it is heated through and the topping is golden brown and bubbly.
  21. Remove the casserole from the oven and sprinkle the remaining 2 ounces of crispy fried onions over the top.
  22. Let the casserole sit for a few minutes before serving.

Notes

  • Use fresh mushrooms for the best flavor.
  • Add cooked and crumbled bacon for a smoky flavor.
  • Spice it up with a pinch of red pepper flakes.
  • Make it vegetarian by using vegetable broth.
  • Assemble ahead of time and store in the refrigerator for up to 24 hours. Add the final topping of crispy fried onions just before baking.
  • Use different beans, such as haricot verts or wax beans.
  • Add other vegetables, such as carrots, celery, or peas.
  • Make it gluten-free by using gluten-free flour and gluten-free crispy fried onions.
  • To prevent the crispy fried onions from burning, you can tent the casserole with aluminum foil during the last 10 minutes of baking.
  • If your sauce is too thick, add a little more chicken broth to reach your desired consistency. If it's too thin, simmer for a few more minutes to allow it to reduce.
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