A Homemade Green Bean Casserole is a crowd-pleaser that brings comfort and flavor to any meal. This recipe stands out with its creamy mushroom sauce made from scratch, ensuring you won’t find a can in sight! Tender green beans, topped with nutty parmesan and crispy fried shallots, create a delicious balance of textures. It’s an excellent side dish for holidays or family gatherings, making every occasion feel special.
Why You’ll Love This Recipe
- Rich Flavor – The homemade creamy mushroom sauce elevates the taste beyond typical casseroles.
- Crispy Topping – Crispy fried shallots add a delightful crunch that complements the tender green beans.
- Easy to Make – With simple steps and readily available ingredients, this casserole comes together quickly.
- Versatile Dish – Perfect as a holiday side or weeknight dinner accompaniment; it fits any occasion seamlessly.
- Nutritious Ingredients – Fresh green beans and mushrooms pack plenty of nutrients into every bite.
Tools and Preparation
Before you dive into making your Homemade Green Bean Casserole, gather your tools. Having the right equipment makes cooking easier and more enjoyable.
Essential Tools and Equipment
- Skillet
- Baking dish
- Mixing bowl
- Knife
- Cutting board
Importance of Each Tool
- Skillet – Ideal for sautéing shallots and mushrooms, allowing for even cooking and flavor development.
- Baking dish – Provides ample space for layering ingredients before baking, ensuring an even cook.
- Mixing bowl – Useful for combining sauces and seasonings without spilling.
- Knife & Cutting board – Essential for precise chopping of vegetables, leading to better texture in your casserole.

Ingredients
For the Fried Shallots
- 4 medium shallots (halved lengthwise & then sliced thinly into half moons)
- 1 cup vegetable oil
- Creole Cajun Seasoning – homemade or store-bought (or seasoned salt), to taste
For the Casserole
- 24 ounces fresh green beans (ends trimmed)
- 4 tablespoons unsalted butter
- 8 ounces baby bella mushrooms (sliced)
- 1 tablespoon garlic (minced or paste)
- 2 tablespoons all-purpose flour
- 1 1/2 cups chicken broth
- 1 tablespoon fresh lemon juice
- 2 teaspoons Dijon mustard (smooth or whole grain)
- 1 tablespoon Worcestershire sauce
- 1 teaspoon dried thyme
- 1/2 teaspoon red pepper flakes (optional)
- 1/4 teaspoon ground nutmeg
- kosher salt & freshly ground black pepper (to taste)
- 1/2 cup heavy whipping cream (or half and half)
- 1/2 cup freshly grated parmesan (divided)
How to Make Homemade Green Bean Casserole
Step 1: Prepare the Fried Shallots
- Heat the vegetable oil in a skillet over medium heat.
- Add the sliced shallots and sprinkle with Creole seasoning.
- Fry until golden brown and crispy, about 5-7 minutes. Remove from oil and drain on paper towels.
Step 2: Cook the Green Beans
- In a separate pot, boil water and add the trimmed green beans.
- Cook until tender yet crisp, about 5 minutes. Drain and set aside.
Step 3: Make the Creamy Mushroom Sauce
- In the same skillet used for shallots, melt unsalted butter over medium heat.
- Add sliced mushrooms and garlic; sauté until tender, about 5 minutes.
- Stir in flour to create a roux, cooking for 2 minutes before adding chicken broth gradually.
- Mix in lemon juice, Dijon mustard, Worcestershire sauce, thyme, red pepper flakes, nutmeg, salt, pepper, cream, and half of the grated parmesan. Stir until combined and thickened.
Step 4: Assemble the Casserole
- Preheat your oven to 350°F (175°C).
- In a baking dish, combine cooked green beans with the creamy mushroom sauce. Toss well to coat evenly.
- Top with remaining parmesan cheese and fried shallots.
Step 5: Bake
- Bake in preheated oven for about 25 minutes or until bubbly and golden on top.
- Serve warm alongside your favorite main dishes. Enjoy your Homemade Green Bean Casserole!
How to Serve Homemade Green Bean Casserole
Homemade Green Bean Casserole is a versatile dish that pairs beautifully with many meals. Whether it’s a festive gathering or a simple family dinner, these serving suggestions will elevate your meal.
With Roast Chicken
- Juicy roast chicken complements the creamy texture of the casserole, creating a satisfying combination.
Alongside Beef Wellington
- The rich flavors of beef Wellington balance well with the fresh green beans and savory sauce.
Paired with Grilled Turkey
- Tender grilled turkey adds a smoky flavor contrast to the creamy casserole, enhancing your overall dining experience.
As Part of a Holiday Feast
- Serve this casserole alongside traditional holiday dishes like stuffing and cranberry sauce for a festive touch.
With Quinoa Salad
- A light quinoa salad offers a refreshing side that contrasts nicely with the richness of the casserole.
On Its Own
- Enjoy it as a standalone dish—its hearty ingredients make it filling enough for a satisfying meal by itself.
How to Perfect Homemade Green Bean Casserole
Creating the perfect Homemade Green Bean Casserole involves attention to detail and some helpful tips. Here are ways to ensure your dish stands out.
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Use fresh green beans: Fresh beans provide better texture and flavor than canned alternatives.
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Make your own crispy shallots: Homemade fried shallots add crunch and depth of flavor that store-bought versions can’t match.
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Balance flavors: Adjust salt and seasoning levels to suit your taste; don’t shy away from experimenting!
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Choose quality broth: A rich chicken broth enhances the overall taste of the mushroom sauce, making it more flavorful.
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Add umami elements: Incorporating ingredients like garlic or Parmesan can deepen the dish’s flavor profile.
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Bake until bubbly: Ensure you bake long enough for the top to get golden brown and crispy for an appealing finish.
Best Side Dishes for Homemade Green Bean Casserole
When serving Homemade Green Bean Casserole, consider these complementary side dishes that enhance your meal’s flavor profile.
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Garlic Mashed Potatoes: Creamy mashed potatoes infused with garlic provide comfort and pair well with any main course.
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Roasted Carrots: Sweet roasted carrots bring color and natural sweetness, balancing out the savory casserole.
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Creamy Polenta: This smooth side offers a deliciously soft texture that contrasts beautifully with the crisp green beans.
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Buttermilk Biscuits: Fluffy biscuits are perfect for sopping up any leftover sauce on your plate.
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Herb Rice Pilaf: Light and fragrant rice pilaf adds another layer of flavor while keeping things simple and enjoyable.
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Brussels Sprouts Almondine: Sautéed Brussels sprouts topped with toasted almonds add crunch and nuttiness to your meal.
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Honey-Glazed Beets: Earthy beets dressed in honey bring sweetness, enhancing the overall dining experience.
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Cauliflower Gratin: A cheesy cauliflower gratin serves as a rich counterpart to the green beans, making it an indulgent addition to your table.
Common Mistakes to Avoid
Making Homemade Green Bean Casserole can be simple, but there are common pitfalls to watch for.
- Skipping Fresh Ingredients: Always use fresh green beans and mushrooms. Canned versions can lead to a mushy texture and less flavor.
- Overcooking the Green Beans: Blanch the green beans only until they are bright green and tender-crisp. This keeps them vibrant and prevents them from becoming soggy in the casserole.
- Neglecting Seasoning: Don’t forget to season your sauce! Adding salt, pepper, and other spices at each step will enhance the overall flavor of your dish.
- Rushing the Sauce Preparation: Take your time when making the creamy mushroom sauce. Allow it to simmer so that flavors meld together beautifully.
- Using Store-bought Fried Shallots: For a crunchy topping, make your own fried shallots. They’re easy to prepare and add a fresher taste compared to store-bought ones.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- The Homemade Green Bean Casserole can be refrigerated for up to 3 days.
Freezing Homemade Green Bean Casserole
- Use freezer-safe containers for longer storage.
- You can freeze it for up to 2 months; just make sure it’s completely cooled before freezing.
Reheating Homemade Green Bean Casserole
- Oven: Preheat to 350°F (175°C), cover with foil, and heat for about 20-25 minutes until warmed through.
- Microwave: Scoop portions into a microwave-safe dish, cover, and heat on medium power for about 2-3 minutes or until hot.
- Stovetop: Place in a skillet over medium heat, stirring occasionally until heated through.
Frequently Asked Questions
Here are some common questions regarding Homemade Green Bean Casserole.
Can I use frozen green beans for this recipe?
While fresh is best, you can use frozen green beans. Just make sure they are thawed and drained before adding them to the casserole.
How do I make my sauce thicker?
To thicken your sauce, you can simmer it longer or add a bit more flour while cooking. Ensure that you stir well so it doesn’t clump.
Can I make this casserole ahead of time?
Absolutely! You can prepare everything in advance and assemble it before baking. Just remember not to add the fried shallots until right before serving for maximum crunch.
What toppings work well with Homemade Green Bean Casserole?
Besides fried shallots, consider adding crispy onions or even crushed crackers mixed with butter for an extra crunch!
Is there a vegetarian option for this casserole?
Yes! Simply substitute vegetable broth for chicken broth and omit any meat products while keeping the rest of the recipe intact.
Final Thoughts
Homemade Green Bean Casserole is a delightful side dish that brings comfort and flavor to any meal. Its creamy mushroom sauce combined with crisp green beans makes it perfect for holidays or weeknight dinners. Don’t hesitate to customize it by adding your favorite herbs or spices!
Homemade Green Bean Casserole
Homemade Green Bean Casserole is a comforting side dish that combines fresh green beans with a rich, creamy mushroom sauce made from scratch. Topped with crispy fried shallots and nutty Parmesan cheese, this casserole offers a delightful blend of textures and flavors that elevate any meal. Perfect for holiday gatherings or casual family dinners, it’s an easy recipe that ensures quality ingredients without the use of processed alternatives. Impress your guests with this homemade classic that showcases the best of seasonal produce.
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Total Time: 50 minutes
- Yield: Serves approximately 6 people 1x
- Category: Side Dish
- Method: Baking/Frying
- Cuisine: American
Ingredients
- 24 ounces fresh green beans
- 8 ounces baby bella mushrooms
- 4 tablespoons unsalted butter
- 1 cup vegetable oil (for frying shallots)
- 1 ½ cups chicken broth
- ½ cup heavy whipping cream
- ½ cup grated Parmesan cheese (divided)
- Creole seasoning or seasoned salt (to taste)
- Fresh lemon juice
- Garlic
- Dijon mustard
Instructions
- Prepare fried shallots: Heat vegetable oil in a skillet over medium heat. Add sliced shallots seasoned with Creole seasoning and fry until golden brown (about 5-7 minutes). Drain on paper towels.
- Cook green beans: Boil trimmed green beans in water until tender-crisp (about 5 minutes). Drain and set aside.
- Make the creamy mushroom sauce: In the same skillet, melt unsalted butter, sauté mushrooms and garlic until tender. Stir in flour to form a roux; gradually add chicken broth, then stir in lemon juice, Dijon mustard, thyme, and half the Parmesan until thickened.
- Assemble casserole: Preheat oven to 350°F (175°C). Mix cooked green beans with mushroom sauce in a baking dish. Top with remaining Parmesan and fried shallots.
- Bake for about 25 minutes until bubbly and golden.
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 350
- Sugar: 3g
- Sodium: 480mg
- Fat: 24g
- Saturated Fat: 10g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 6g
- Protein: 8g
- Cholesterol: 40mg




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