Introduction
Welcome to a delicious twist on a classic dish: the Keto Green Bean Casserole. Perfect for those following a keto diet, this creamy and savory casserole is not just a side dish; it’s a centerpiece that will impress your guests and satisfy your cravings. Whether you’re hosting a holiday dinner or simply enjoying a weeknight meal, this recipe brings the comforting flavors of traditional green bean casserole into a low-carb format.
With fresh green beans, a rich cheese sauce, and the option to top it off with crispy fried onions, this dish is both satisfying and simple to prepare. It’s an excellent way to incorporate more vegetables into your meals without sacrificing taste. Plus, the combination of sharp cheddar and Parmesan cheeses creates a depth of flavor that will have everyone asking for seconds.
Designed for young professionals and homemade-food lovers alike, this recipe is crafted to fit into your busy lifestyle. The preparation is straightforward, allowing you to whip it up even on the most hectic days. With a blend of savory ingredients and a creamy texture, the Keto Green Bean Casserole is a guilt-free indulgence that can easily become a family favorite.
So, gather your ingredients, and let’s dive into this delightful dish that’s as easy to make as it is delicious!
Key Ingredients
Cooking a Keto Green Bean Casserole starts with fresh, quality ingredients that elevate the dish while keeping it low in carbs.
Fresh Green Beans (1 pound): These vibrant green beans are not only low in calories but also packed with vitamins and minerals. They provide a crisp texture that contrasts beautifully with the creamy sauce.
Heavy Cream (1 cup): This rich and indulgent ingredient adds creaminess to the casserole, making it satisfyingly decadent without adding excess carbohydrates.
Sharp Cheddar Cheese (1 cup): Offering a robust flavor, sharp cheddar enhances the overall taste of the casserole. Its melting properties make it perfect for creating a gooey, cheesy layer.
Parmesan Cheese (1/2 cup): This cheese complements the cheddar with its nutty flavor and adds a delightful richness to the sauce. It also helps to form a golden crust when baked.
Butter (3 tablespoons): Used for sautéing onions and garlic, butter adds a luscious richness and depth of flavor that enhances the overall profile of the dish.
Onion (1/4 cup, diced): Onions provide a sweet and savory base flavor, making the casserole aromatic and delicious.
Garlic (2 cloves, minced): Garlic adds a fragrant punch that elevates the dish, offering a warm, comforting aroma that’s hard to resist.
Salt (1 teaspoon): Essential for seasoning, salt enhances all the flavors in the casserole, making each bite more satisfying.
Black Pepper (1/2 teaspoon): This spice adds a subtle heat and complexity that balances the creaminess of the cheese.
Fried Onions (1 cup, optional): For those who love a bit of crunch, crispy fried onions make a fantastic topping, adding texture and a burst of flavor to the casserole.
This combination of ingredients creates a dish that’s not only delicious but also adheres to the principles of a keto diet. Enjoy this Keto Green Bean Casserole as a perfect side for any meal!

Why You’ll Love This Recipe
If you’re searching for a dish that perfectly blends comfort and nutrition, look no further than this Keto Green Bean Casserole. This recipe not only satisfies your cravings for creamy, cheesy goodness but also aligns seamlessly with your low-carb lifestyle. It’s a delightful way to enjoy a classic meal while keeping your health goals in check.
Imagine gathering around the table with friends and family, sharing the warmth of a homemade casserole that’s rich, flavorful, and guilt-free. The fresh green beans provide a lovely crunch, while the combination of sharp cheddar and Parmesan creates a deliciously creamy sauce that wraps around each bite. Plus, it’s a fantastic option for meal prep—you can make it ahead of time and simply pop it in the oven when you’re ready to serve.
This dish is perfect for busy young professionals who appreciate homemade meals without the fuss. With straightforward instructions and minimal prep time, you can have this keto-friendly casserole on your table in no time. Enjoy it as a side dish or even as a main course; the versatility of this recipe makes it a must-try for anyone looking to add a nutritious option to their meal rotation.
Variations
While the Keto Green Bean Casserole is a delicious dish on its own, there are plenty of variations to keep things interesting and cater to your taste preferences. Whether you want to add some protein or incorporate different flavors, these ideas will elevate your casserole experience.
Add Protein
For those looking to make this dish heartier, consider adding cooked bacon or shredded chicken. Both options provide a savory element that complements the creamy cheese sauce and adds extra flavor. You can easily mix in about a cup of cooked bacon pieces or shredded chicken before baking.
Incorporate Mushrooms
Mushrooms are another excellent addition to the casserole, adding an earthy flavor and meaty texture. Sauté about a cup of sliced mushrooms along with the onions and garlic for a delicious twist. Not only do they enhance the flavor, but they also increase the dish’s nutritional value.
Spice it Up
If you enjoy a bit of heat, consider adding some diced jalapeños or a sprinkle of red pepper flakes to the cheese sauce. This variation will give your Keto Green Bean Casserole a kick that’s sure to please spice lovers. The creaminess of the sauce will balance out the heat beautifully, creating a delightful contrast.
These variations allow you to customize your Keto Green Bean Casserole to suit your preferences, making it a flexible dish perfect for any occasion.

Cooking Tips and Notes
Cooking a Keto Green Bean Casserole can be a breeze with the right tips and tricks. Here are some helpful suggestions to ensure your dish comes out perfectly every time.
Prepping Ahead
If you’re short on time, you can prepare the casserole in advance. Simply follow the instructions up until the baking step, cover tightly, and store it in the refrigerator for up to 24 hours. When you’re ready to serve, just pop it in the oven and bake as directed. This makes meal prep easy and efficient!
Blanching the Green Beans
Blanching the green beans is crucial for achieving the perfect texture. By boiling them briefly before baking, you ensure they remain crisp yet tender after cooking. This step enhances the overall quality of your casserole, allowing the beans to soak up the creamy sauce without turning mushy.
Experiment with Add-Ins
Feel free to get creative with your casserole! Adding ingredients like cooked bacon or sautéed mushrooms can elevate the flavors and provide extra richness. Just remember to adjust the seasoning accordingly if you add salty items like bacon.
These tips will help you create a delicious Keto Green Bean Casserole that impresses your family and friends. Enjoy the process, and don’t hesitate to make it your own!
Serving Suggestions
When it comes to enjoying your Keto Green Bean Casserole, the possibilities for serving are delightful and varied. This dish pairs wonderfully with a variety of main courses, making it an ideal side for both casual dinners and festive gatherings.
Perfect Pairings
The rich creaminess of the casserole complements protein-rich dishes such as roasted chicken, grilled steak, or even a hearty pork roast. These options create a balanced meal that satisfies your hunger while keeping it keto-friendly.
Add a Fresh Salad
To enhance your meal, consider serving the casserole alongside a fresh garden salad. A simple mix of greens, cherry tomatoes, and a light vinaigrette can provide a refreshing contrast to the creamy casserole, adding a pop of color and crunch to your plate.
Enjoy as a Main Dish
Alternatively, if you’re looking for a meatless meal, this Keto Green Bean Casserole can stand alone as a satisfying main dish. Pair it with a low-carb bread or a side of sautéed vegetables to create a complete meal that’s both filling and delicious.
These serving suggestions will elevate your dining experience, allowing you to enjoy the creamy goodness of Keto Green Bean Casserole in versatile and delightful ways!

Time Breakdown
When preparing your Keto Green Bean Casserole, having a clear idea of the time involved can help streamline your cooking process.
Preparation
Approximately 15 minutes to trim the green beans, chop the onions, and prepare the cheese sauce.
Cooking/Baking
Around 30 minutes in the oven allows the casserole to heat through and develop a golden, bubbly top.
Total
In total, expect about 45 minutes from start to finish. This dish is perfect for a weeknight meal, offering a delicious homemade option without taking up your entire evening!
Nutritional Facts
When enjoying your Keto Green Bean Casserole, it’s important to be mindful of the nutritional content. Each serving, which is about 1 cup, contains approximately 300 calories, making it a satisfying yet low-carb option for your meals.
Here’s a quick breakdown of the nutritional information:
- Calories: 300
- Fat: 25g (with 15g of saturated fat)
- Carbohydrates: 6g, including 3g of fiber and only 2g of sugar.
- Protein: 10g
This dish is not only keto-friendly but also gluten-free, making it a perfect choice for diverse dietary needs. With its rich flavors and creamy texture, this casserole is a delightful addition to any meal.
FAQ
Can I make Keto Green Bean Casserole ahead of time?
Absolutely! This casserole can be prepared a day in advance. Simply follow the recipe up to the baking step, cover it, and refrigerate. When you’re ready to serve, just pop it in the oven and bake as instructed.
How do I store leftovers?
Leftover Keto Green Bean Casserole can be stored in an airtight container in the refrigerator for up to 3-4 days. Reheat in the oven or microwave until warm. You may need to add a splash of cream to keep it creamy.
Can I freeze this casserole?
Yes, you can freeze the Keto Green Bean Casserole before baking. Wrap it tightly in plastic wrap and aluminum foil. It will keep well for up to 2 months. To bake, thaw overnight in the refrigerator and then cook according to the recipe instructions.
What can I add to enhance the flavor?
For added flavor, consider mixing in cooked bacon or sautéed mushrooms. Both options provide a delicious twist and can make your casserole even more satisfying!
Conclusion
In summary, the Keto Green Bean Casserole is not only a delicious addition to your meal but also a fantastic way to enjoy a classic dish with a healthy twist. With its creamy texture and rich flavors, this casserole can easily become a family favorite, satisfying both keto dieters and traditional eaters alike.
Preparing this dish is straightforward, making it perfect for busy weeknights or special occasions. Its versatility allows for various add-ins like bacon or mushrooms, enhancing its flavor profile even further. Whether enjoyed as a side dish or a main course, this casserole is sure to impress. Don’t hesitate to cook, save, or share this recipe with friends and family to spread the joy of healthy eating!
Print
Keto Green Bean Casserole
- Total Time: 45 minutes
- Yield: 6 servings 1x
- Diet: Keto
Description
A delicious and creamy keto-friendly green bean casserole recipe.
Ingredients
- 1 pound fresh green beans, trimmed
- 1 cup heavy cream
- 1 cup sharp cheddar cheese, shredded
- 1/2 cup Parmesan cheese, grated
- 3 tablespoons butter
- 1/4 cup onion, diced
- 2 cloves garlic, minced
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 cup fried onions (optional, for topping)
Instructions
- Preheat your oven to 350°F (175°C).
- Blanch the green beans in boiling water for 3-4 minutes, then drain and set aside.
- In a skillet, melt the butter over medium heat and sauté the onions and garlic until softened.
- Add the heavy cream, cheddar cheese, Parmesan cheese, salt, and pepper, stirring until the cheeses are melted and the mixture is smooth.
- Combine the green beans with the cheese sauce in a baking dish.
- If using, sprinkle the fried onions on top.
- Bake for 25-30 minutes until bubbly and golden on top.
Notes
- Can be prepared ahead of time and baked just before serving.
- For extra flavor, add cooked bacon or mushrooms.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Casserole
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cup
- Calories: 300
- Sugar: 2g
- Sodium: 500mg
- Fat: 25g
- Saturated Fat: 15g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 3g
- Protein: 10g
- Cholesterol: 70mg









