Keto Broccoli and Cauliflower With Sausage

If you’ve been craving something warm, comforting, and ridiculously delicious—but still low-carb enough to keep you feeling proud of yourself—this Keto Broccoli and Cauliflower With Sausage is about to become your new weeknight hero. I’m talking bubbling cheese, smoky sausage, tender veggies, and a creamy sauce that tastes like it came straight from a cozy little bistro…but without you having to put on real pants.

As someone who’s spent a lot of nights juggling busy schedules, picky eaters, and those “what’s for dinner?” stares, I totally get the need for a dish that checks all the boxes: easy, hearty, flavorful, and quick. And trust me—this one does just that. If chicken is my forever muse, then cheesy keto comfort food like this is my warm hug after a long day.

So grab a baking dish, your favorite pair of fuzzy socks, and let’s bring some magic to your kitchen.

Why You’ll Love This Keto Broccoli and Cauliflower With Sausage

There are a million reasons to adore this dish, but let’s narrow it down:

  • It’s creamy, smoky, and just indulgent enough to feel like a treat without derailing your day.
  • It’s fast, which every busy mom, multitasking queen, or tired-after-work human will appreciate.
  • It’s a one-pan wonder once the sauce is made—less cleanup means more couch time.
  • It’s incredibly flexible. Want to make it meatless? Want to spice it up? You’re in charge here.

This is one of those recipes I started making for my own family when I wanted a low-carb side dish that didn’t feel like a side dish. Eventually, it ended up stealing the spotlight—honestly, no one at my table ever complains about dinner when this beauty shows up

Ingredients You’ll Need

Here’s everything required to make your Keto Broccoli and Cauliflower Au Gratin With Sausage, along with a few notes to make prep even easier:

For the Vegetables

  • Cauliflower Florets – Pre-chopped is fair game! Life is busy. Enjoy the fiber boost without the chopping session.
  • Broccoli Florets – Lightly steamed so they keep their bright color, texture, and nutrients.

For the Sausage

  • Sliced Smoked Sausage – Brings smoky, savory flavor and satisfying protein. Want to leave it out and make it vegetarian? Totally fine.

For the Cheese Sauce

  • Butter – Helps sauté the onions and adds that yummy richness.
  • Onion – Softened until sweet and golden for deeper flavor.
  • Minced Garlic – Because garlic is joy.
  • Cream Cheese – The key to achieving that velvety keto creaminess.
  • Heavy Whipping Cream – Makes the sauce decadently smooth—like a warm blanket for your veggies.
  • Shredded Cheddar Cheese – The crown jewel! Mix sharp, mild, or blend in something fun. This is your Creamy Keto Veggies With Sausage moment, so go wild.

Refer to the recipe card below for precise ingredient measurements and complete nutritional details.

How to Make Keto Broccoli and Cauliflower With Sausage

If you can sauté, stir, and bake, you’ve already mastered this recipe. Let’s walk through the magic step by step.

1. Preheat your oven

Set your oven to 350°F (175°C) so it’s nice and hot when your gratin is ready to go in. This helps create that bubbly, golden-brown top we all dream about.

2. Sauté the sausage

Heat a skillet over medium-high. Add your sliced smoked sausage and cook for 5–7 minutes, or until the edges are crisp and caramelized.

This step adds so much flavor that skipping it should be illegal. But I’ll allow it if you’re really pressed for time.

Set the sausage aside when it’s perfectly browned.

3. Melt the butter

In a medium pot, melt 2 tablespoons butter over medium heat. This is your delicious foundation for the cheese sauce.

4. Soften the onion

Add the diced onion and cook for 3–4 minutes, until softened and translucent. It should smell sweet and buttery—basically a sign everything is going exactly right.

5. Add garlic

Toss in the minced garlic and sauté for about 30 seconds, just until fragrant. Garlic cooks fast, so keep it moving so it doesn’t brown too much.

6. Create the creamy base

Stir in the softened cream cheese. Once it’s melted, slowly pour in your heavy whipping cream, whisking gently until the mixture is smooth. Let it simmer for 3–5 minutes until it thickens.

Lightly bubbling = perfection.

7. Add the cheddar cheese

Sprinkle in the shredded cheddar and stir until melted and silky. Season with salt and pepper according to your taste buds.

If the sauce looks a little lumpy at first—don’t panic. Cream cheese just needs a moment to settle in.

8. Combine everything

In a large mixing bowl, add your broccoli, cauliflower, and the browned sausage pieces. Pour that creamy, dreamy cheese sauce right on top.

Stir until every piece is coated and looking fabulous.

9. Bake to golden perfection

Spread the mixture evenly into a 9×9 baking dish. Pop it in the oven and bake for 15–20 minutes, until the top is bubbling and lightly browned.

Once it’s out, you may experience involuntary “mmm” noises. Completely normal.

Keto Broccoli and Cauliflower With Sausage served on a spoon with creamy cheese sauce and roasted veggies.
A delicious scoop of Keto Broccoli and Cauliflower With Sausage — creamy, cheesy, and loaded with smoky flavor.

Helpful Tips for Creamy Keto Veggies With Sausage

  • Steam veggies lightly before adding them. Too much moisture can make your gratin watery.
  • Want extra golden crust? Broil for 2–3 minutes at the end. Keep an eye on it like it owes you money—broilers move fast.
  • Try different cheeses like Gouda, Monterey Jack, or Pepper Jack if you want a twist.
  • Add red pepper flakes for a little kick that pairs beautifully with the smoky sausage.

Quick confession: I first made this dish for a family get-together when I needed a “safe” keto option for myself… and it ended up being the most-requested dish of the night. Even the potato lovers were sneaking seconds. Toss that into your victory jar!

FAQs About Keto Broccoli and Cauliflower Au Gratin With Sausage

Can I substitute the sausage?

Absolutely. You can swap it for chicken, turkey sausage, or even a vegetarian smoked sausage. It will still pair beautifully with the cheesy sauce.

Can I make this recipe ahead of time?

Yes! Assemble everything, cover the dish, and refrigerate for up to 24 hours. Bake when ready—just add 5 extra minutes if it goes into the oven cold.

How do I store leftovers?

Keep them in an airtight container in the fridge for 3–4 days. Reheat in the oven or microwave. The flavors actually get even better the next day.

Can I freeze this dish?

You can! Freeze before baking for best texture. Thaw overnight, then bake as directed.

Can I make this without dairy?

Because it’s au gratin, dairy is a big player. But you can experiment with keto-friendly dairy-free alternatives. Just expect a slightly different texture.

Keto Broccoli and Cauliflower With Sausage baked in a creamy cheddar sauce with tender veggies and golden sausage slices.
A hearty, cheesy serving of Keto Broccoli and Cauliflower With Sausage, loaded with tender veggies and smoky sausage in a rich sauce.

A Deliciously Cozy Finish

If you’re craving comfort but still want to stay aligned with your goals, this Keto Broccoli and Cauliflower With Sausage is the perfect dish to bring a little joy to your busy week. It’s creamy, hearty, simple to make, and filled with flavors that make your kitchen smell like pure happiness. Whether you’re feeding your family, meal-prepping for the week, or treating yourself after a long day, this dish truly hits the spot.

Let’s keep cooking, keep exploring, and keep making magic—one delicious bite at a time. Want help creating more easy keto meals like this? I’ve got plenty up my sleeve!

Recipes You’ll Love Exploring Next

If this cozy, creamy gratin brought some magic to your table, here are a few more comforting dishes you may want to try next. Each one is warm, satisfying, and perfect for busy days when you still want something delicious on the table.

Treat yourself to whichever one calls your name… or go wild and try them all!

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Keto Broccoli and Cauliflower With Sausage baked in a creamy cheddar sauce with tender veggies and golden sausage slices.

Keto Broccoli and Cauliflower With Sausage


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  • Author: Aneta
  • Total Time: 40 minutes
  • Yield: 6 servings 1x

Description

This Keto Broccoli and Cauliflower With Sausage is a creamy, low-carb comfort dish loaded with tender veggies, smoky sausage, and a rich cheddar cheese sauce. Easy, hearty, and perfect for weeknight dinners.


Ingredients

Scale

Vegetables

  • 3 cups cauliflower florets

  • 3 cups broccoli florets, lightly steamed

Sausage

  • 12 oz sliced smoked sausage

Cheese Sauce

  • 2 tablespoons butter

  • 1 small onion, diced

  • 2 cloves garlic, minced

  • 4 oz cream cheese, softened

  • 1 cup heavy whipping cream

  • 1 ½ cups shredded cheddar cheese

  • Salt & pepper to taste


Instructions

  1. Preheat oven to 350°F (175°C).

  2. Heat a skillet over medium-high and sauté sliced smoked sausage for 5–7 minutes until browned. Set aside.

  3. In a medium pot, melt butter over medium heat.

  4. Add diced onion and cook for 3–4 minutes, until soft and translucent.

  5. Stir in minced garlic and cook 30 seconds until fragrant.

  6. Add softened cream cheese and stir until melted.

  7. Slowly pour in heavy whipping cream, whisking until smooth. Simmer for 3–5 minutes until thickened.

  8. Add shredded cheddar cheese and stir until creamy. Season with salt and pepper.

  9. In a large bowl, combine broccoli, cauliflower, and sausage. Pour cheese sauce over the mixture and toss to coat.

  10. Transfer to a 9×9 baking dish and bake for 15–20 minutes, until bubbling and golden.

Notes

  • Lightly steaming the broccoli helps keep it crisp and prevents a watery casserole.

  • For a crispier top, broil for the last 2–3 minutes.

  • You can swap cheddar with Monterey Jack, Gouda, or a blend for extra flavor.

 

  • Make it vegetarian by omitting the sausage.

  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Dinner / Keto Recipes
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 portion (1/6 of recipe)
  • Calories: 420 kcal
  • Sugar: 3 g
  • Sodium: 960mg (varies by sausage)
  • Fat: 36 g
  • Saturated Fat: 18 g
  • Unsaturated Fat: 15 g
  • Trans Fat: 0 g
  • Carbohydrates: 7 g
  • Fiber: 2 g
  • Protein: 18 g
  • Cholesterol: 115 mg

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