Name: Keto Broccoli and Cauliflower Au Gratin With Sausage Delight
Prep time: 10 min
Cook time: 20 min
Total time: 35 min
Ingredients: 4 cups Cauliflower Florets (Lightly steamed; can use pre-chopped cauliflower.); 4 cups Broccoli Florets (Lightly steamed; can use fresh or frozen.); 2 tablespoons tbsp Butter (Used for sautéing onions.); 1 Onion (Diced.); 2 cloves Minced Garlic (Provides pungency.); 8 oz Cream Cheese (Softened.); 1 cup cup Heavy Whipping Cream (Adds richness.); 1 cup cup Shredded Cheddar Cheese (Main cheese component; can use other melting cheese.); 12 oz Sliced Smoked Sausage (Adds protein and flavor.)

I never expected to find such joy in a simple vegetable casserole, yet here I am, utterly smitten by the magic of Keto Broccoli Cauliflower Au Gratin with Sausage. This dish transcends the usual comfort food realm, enveloping tender broccoli and cauliflower in a luscious, cheesy sauce that offers both deliciousness and nourishment. The best part? With only 6 net carbs per serving, it’s a satisfying low-carb option perfect for any meal. Not only does it cater to those watching their carb intake, but it’s also a hearty crowd-pleaser, making it ideal for family gatherings or cozy dinners. Ready to indulge in a dish that feels indulgent yet wholesome? Let’s explore how to whip up this delightful casserole!

Why is this casserole a crowd-pleaser?

Rich, Creamy Sauce: The luscious cheese sauce, filled with cream cheese and heavy whipping cream, transforms simple veggies into an indulgent dish that everyone will love.

Low-Carb Delight: With just 6 net carbs per serving, this Keto Broccoli Cauliflower Au Gratin satisfies cravings without guilt—perfect for those on a low-carb journey.

Versatile Ingredients: You can swap in different veggies or proteins like chicken or bacon, ensuring it meets the tastes of your family.

Quick Preparation: Ready in under 30 minutes, this casserole is perfect for busy weeknights or last-minute gatherings, blending convenience with gourmet flavor.

Perfect for Meal Prep: Leftovers can easily be stored and reheated, making it a smart choice for meal planning enthusiasts. Whether you’re a keto devotee or just looking to enjoy a comforting meal, this dish is sure to become a favorite!

Keto Broccoli Cauliflower Au Gratin Ingredients

For the Vegetables
• Cauliflower Florets – Lightly steamed; this creates the base structure in the dish, perfectly replacing traditional potatoes. Substitution/Prep Note: Pre-chopped cauliflower can save time and mess.
• Broccoli Florets – Lightly steamed; they enhance the dish with nutrition and a delightful bite. Substitution/Prep Note: Fresh or frozen can be used.
For the Sauce
• Butter – Used for sautéing onions; it enhances the flavor wonderfully.
• Onion – Diced; this ingredient adds a foundational aromatic quality to the dish.
• Minced Garlic – Provides pungency and deepens the flavor profile of the cheese sauce.
• Cream Cheese – Softened; it gives the sauce its rich and creamy texture.
• Heavy Whipping Cream – Adds richness and is essential for binding the sauce together.
• Shredded Cheddar Cheese – The main cheese component; it contributes the classic au gratin flavor. Substitution/Prep Note: You can use any preferred melting cheese, like Monterey Jack.
For the Protein
• Sliced Smoked Sausage – This adds a burst of protein and flavor, making the dish a complete meal. Substitution/Prep Note: Omit for a vegetarian version or use a plant-based sausage.

This keto-inspired dish boasts comforting flavors while keeping it guilt-free, with each ingredient chosen for balance and taste. Let’s bring this indulgent, yet healthy, casserole to life!

Step‑by‑Step Instructions for Keto Broccoli and Cauliflower Au Gratin With Sausage

Step 1: Preheat the Oven
Begin by preheating your oven to 350°F (175°C). This ensures that your Keto Broccoli and Cauliflower Au Gratin with Sausage will bake evenly and get that delightful golden finish. While waiting for the oven to reach the desired temperature, gather all your ingredients and prepare your workspace to streamline the cooking process.

Step 2: Sauté the Sausage
In a large skillet over medium-high heat, add the sliced smoked sausage and cook for about 5-7 minutes, or until it’s nicely browned and seared. Don’t rush this step; the caramelization enhances the flavor. Once done, remove the sausage from the skillet and set it aside. This will add a savory depth to your dish later.

Step 3: Cook the Onions
In the same skillet, melt 2 tablespoons of butter over medium heat. Toss in the diced onions and sauté for 4-5 minutes, stirring occasionally until they’re soft and translucent. The residual flavor from the sausage will enhance the aromatics in your Keto Broccoli and Cauliflower Au Gratin with Sausage, setting a flavorful foundation.

Step 4: Add Garlic
Next, stir in the minced garlic and sauté for another 30 seconds, just until fragrant. Be careful not to let it brown, as burnt garlic can introduce bitterness. This step adds an enticing aroma and deepens the flavor of the cheesy sauce that will envelop the vegetables.

Step 5: Prepare the Cheese Sauce
Now, mix in 8 oz of softened cream cheese to the skillet and stir until melted and creamy. Gradually pour in 1 cup of heavy whipping cream while whisking to combine everything smoothly. Let the mixture simmer for about 3-5 minutes until it thickens slightly, creating that velvety cheese sauce for your gratin.

Step 6: Add the Cheese
Once your sauce reaches the desired consistency, remove it from heat and stir in 1 cup of shredded cheddar cheese, mixing until it melts thoroughly. If you like a touch of spice, you may season with salt and pepper to taste. This glorious cheese sauce is the heart of the Keto Broccoli and Cauliflower Au Gratin with Sausage.

Step 7: Combine Vegetables and Sausage
In a large mixing bowl, combine the lightly steamed cauliflower florets, broccoli florets, and previously sautéed sausage. Pour the rich cheese sauce over the mixture and gently stir until all the ingredients are well-coated. This combination guarantees that every bite will be deliciously satisfying and cheesy.

Step 8: Transfer to Baking Dish
Prepare a greased 9×9 baking dish by spreading the vegetable and sausage mixture evenly at the bottom. Make sure there is an even layer to ensure uniform cooking. This casserole will bubble up beautifully in the oven, giving a hearty presentation on the table.

Step 9: Bake to Perfection
Place the baking dish in the preheated oven and bake for 15-20 minutes, or until the top is bubbly and golden brown. Watch for those beautiful crispy edges signaling that your Keto Broccoli and Cauliflower Au Gratin with Sausage is ready to be savored. Once done, allow it to cool slightly before serving.

Keto Broccoli Cauliflower Au Gratin Variations

Feel free to get creative and customize your Keto Broccoli Cauliflower Au Gratin for a delicious twist that suits your tastes!

Vegetable Swap: Replace broccoli with asparagus or spinach for a refreshing change in flavor and texture. Both options are fantastic and add their unique vibrancy to the dish.
Protein Bonus: Switch out the smoked sausage for leftover cooked chicken or bacon. This delicious swap not only elevates the flavor but adds a whole new element of satisfaction to your casserole.
Cheese Adventure: Use mozzarella or a spicy pepper jack cheese to create an exciting flavor profile. Imagine that gooey stretch of melted cheese with a hint of heat; it’s bound to impress!
Dairy-Free Delight: Swap cream cheese and heavy whipping cream for coconut cream and nutritional yeast. This option makes the dish dairy-free while still maintaining a creamy texture, perfect for those with dietary restrictions.
Crunch Factor: Top the casserole with crispy almond flour breadcrumbs for a delightful crunch. Simply mix almond flour with a bit of melted butter and sprinkle on top before baking.
Herb Infusion: Add fresh herbs like thyme or rosemary into the cheese sauce for an aromatic touch that will elevate every bite. These herbs pair wonderfully with the dish’s creamy profile.
Spice it Up: Toss in finely chopped jalapeños or a sprinkle of cayenne pepper to turn up the heat. This contrast with the creamy sauce creates an unforgettable flavor experience.
Nutty Twist: Incorporate toasted pecans or walnuts directly into the mixture before baking. Their nutty texture adds a wonderful depth and surprising delight to every spoonful.

For a different taste experience, check out some delicious pairings like Spring Roll Salad or enjoy it alongside a refreshing Shrimp Avocado Salad. Happy cooking!

Make Ahead Options

These Keto Broccoli Cauliflower Au Gratin with Sausage are perfect for busy weeknights and meal prep enthusiasts! You can prepare the cheese sauce and chop the vegetables up to 24 hours in advance. Simply sauté the sausage and onions, then let them cool before combining them with the lightly steamed cauliflower and broccoli. Store everything in an airtight container in the refrigerator to maintain freshness. When you’re ready to serve, mix everything together, transfer it to your baking dish, and bake as directed for 15-20 minutes until bubbly and golden. With these make-ahead tips, you’ll have a delicious and hearty low-carb meal ready with minimal effort!

What to Serve with Keto Broccoli Cauliflower Au Gratin with Sausage

Delight in a full meal experience by pairing your casserole with complementary dishes that elevate its flavors and textures.

Crispy Green Salad: A light, tangy salad with a vinaigrette balances the rich creaminess of the gratin, refreshing the palate with every bite.
Garlic Butter Zucchini Noodles: These tender noodles offer a low-carb, fresh side that harmonizes with the casserole’s heartiness, providing an added depth of flavor.
Roasted Brussels Sprouts: Their crispy, slightly nutty flavor contrasts beautifully with the creamy texture of the gratin, creating a deliciously satisfying duo.
Olive Oil Drizzled Quinoa: When served warm, this nutty, protein-packed grain can round out the meal, providing a wholesome touch alongside the rich casserole.
Savory Herb Mashed Cauliflower: This silky alternative to traditional mashed potatoes merges seamlessly with the casserole’s flavors while staying true to the low-carb theme.
Chilled White Wine Spritzer: A refreshing drink option that can cleanse the palate, its light acidity works wonders with the cheesy comfort of the gratin, making for a perfect sip.

Expert Tips for Keto Broccoli Cauliflower Au Gratin

Pat Veggies Dry: Ensure to pat dry the steamed cauliflower and broccoli to prevent excess moisture, which can make the dish watery.
Simmer Gently: When preparing the cheese sauce, simmer on a low flame, whisking frequently to avoid burning and ensure a smooth texture.
Mix Well: Combine the cheese sauce thoroughly with the vegetables and sausage to ensure every bite of the Keto Broccoli Cauliflower Au Gratin is flavorful and creamy.
Cheese Choices: Feel free to experiment with different cheeses; smoked gouda or a spicy pepper jack can lend unique flavors to your dish.
Rest Before Serving: Letting the casserole sit for a few minutes after baking allows the flavors to meld and makes serving easier.

How to Store and Freeze Keto Broccoli Cauliflower Au Gratin

Fridge: Store leftovers in an airtight container for up to 3 days. Make sure to let the dish cool completely before sealing to retain its texture.

Freezer: Freeze individual portions in airtight containers for up to 2 months. To reheat, thaw overnight in the fridge and bake until heated through, about 25-30 minutes at 350°F (175°C).

Reheating: For best results, reheat in the oven instead of the microwave to maintain its creamy texture. Cover with foil to prevent over-browning while warming.

Refrigeration Tip: If storing the Keto Broccoli Cauliflower Au Gratin with Sausage in the fridge, separate the sausage from the sauce to enhance freshness and flavor upon reheating.

Keto Broccoli Cauliflower Au Gratin with Sausage Recipe FAQs

What’s the best way to select ripe cauliflower and broccoli?
Choose cauliflower florets that are firm, compact, and white with no dark spots—these indicate freshness. For broccoli, look for vibrant green florets that are tightly closed. Avoid any yellowing or wilting, as those vegetables are on their way out. Freshness will give your dish the best flavor and texture!

How should I store leftovers of this casserole?
Absolutely! Store any leftovers in an airtight container in the refrigerator for up to 3 days. It’s best to let the dish cool completely before sealing, as this prevents condensation and keeps the texture intact. When you’re ready to enjoy it again, simply reheat in the oven for a delicious second round!

Can I freeze the Keto Broccoli Cauliflower Au Gratin with Sausage?
Yes, you can! For freezing, portion out the casserole into airtight containers and store for up to 2 months. To reheat, thaw the portions in the fridge overnight. When you’re ready, bake them in the oven at 350°F (175°C) for about 25-30 minutes until thoroughly heated. This method keeps the creamy texture that you adore!

What if my cheese sauce isn’t thickening properly?
If your cheese sauce seems too runny, don’t panic! Simply return it to low heat and let it simmer gently for a few more minutes while whisking continuously. This will help evaporate any excess moisture, thickening it up nicely. Another tip is to make sure you’re using room temperature cream cheese, which blends more smoothly into the sauce.

Are there any dietary considerations with this recipe?
Unfortunately, this dish does contain dairy and may not be suitable for those with lactose intolerance or dairy allergies. However, you can adapt the recipe by using lactose-free cream cheese and heavy cream alternatives like coconut cream. If you’re looking for a vegan option, consider substituting with plant-based cheeses, and simply omit the sausage or replace it with a plant-based version!