Keto Broccoli Mac & Cheese: The Comfort Food You Didn’t Know You Needed

So you’re cutting carbs, maybe trying keto for the third time, and you’re craving something that feels like home. Something cheesy, warm, and impossible to stop eating. That’s where this Keto Broccoli Mac & Cheese walks in. No, it’s not your boxed macaroni. It’s better, and it won’t mess up your diet.

What you’re getting here is that gooey, creamy, melty kind of meal that brings you right back to weeknight dinners, but with a twist. It’s low carb. It’s packed with real stuff. And yeah, it actually fills you up.

Now, let’s break this down. You’re going to learn how to make this dish from scratch, nothing fancy, nothing you can’t pronounce. It’s just broccoli and cheese mac and cheese, the low-carb way. And it’ll probably become your new go-to whenever you’re hungry and tired of grilled chicken for the fifth day in a row.

Why Broccoli and Cheese Just Works

Look, broccoli isn’t always everyone’s favorite. But drown it in cheddar, and suddenly it’s the star of dinner. There’s a reason you keep seeing cheddar and broccoli pasta pop up in every food blog. People are finally figuring out what moms knew in the 90s—broccoli was never the problem. It just needed cheese.

This dish lands somewhere between a broccoli cheese pasta casserole and a warm, comforting broccoli mac and cheese soup. But it’s baked, so it’s more solid, and it gives you that golden, crispy top layer that makes everything better.

No cauliflower pretending to be noodles. No zucchini spirals. Just good old broccoli doing the heavy lifting.

Ingredients You Probably Already Have

Here’s the full list. No weird stuff. Just basics.

For the “mac” part:

  • 1 large head of broccoli (or 2 small), chopped into small florets

  • Salted water for boiling

For the cheese sauce:

  • 2 cups shredded cheddar (sharp is best)

  • 4 oz cream cheese

  • 1/2 cup heavy cream

  • 1/2 tsp garlic powder

  • 1/2 tsp onion powder

  • Salt and pepper to taste

  • Optional: a small handful of grated Parmesan

For the topping:

  • 1/2 cup shredded mozzarella (optional but excellent)

  • A sprinkle of almond flour or crushed pork rinds for crunch

  • Butter for greasing

And that’s it. You’re working with fewer than 10 ingredients, and most of them are probably sitting in your fridge or pantry already.

Step-by-Step: Broccoli Cheese Noodles (Without Noodles)

Let’s keep this easy.

1. Prep the broccoli

Chop the broccoli into small pieces—not tiny, not huge. Think bite-sized. Toss them into boiling salted water and cook for about 2–3 minutes. You want them bright green and just tender, not mushy. Drain and set aside.

2. Make the cheese sauce

In a saucepan, toss in the cream cheese, heavy cream, garlic powder, and onion powder. Stir on low heat until it starts to melt into a smooth sauce. Then add your shredded cheddar, slowly, so it melts evenly.

Give it a taste. Add salt and pepper until you’re happy. At this point, it’s already better than half the broccoli cheese mac and cheese you’ve had before.

3. Mix and bake

Preheat your oven to 375°F. Butter a baking dish (an 8×8 works great). Throw in your broccoli, then pour the cheese sauce all over it. Mix gently to coat everything.

Top with mozzarella and your crunchy topping—whether it’s almond flour or pork rinds, it’s that “loaded baked mac and cheese recipe” feel we’re going for here.

Bake for about 15–20 minutes or until the top starts to bubble and brown.

Done.

Broccoli Cheese Casserole, But Low Carb

You know those healthy casseroles you keep seeing, where they toss three kale leaves with quinoa and call it dinner? Yeah, this isn’t that.

This is full-on cheesy broccoli casserole energy, just without the carb overload. It’s rich but not too heavy. Creamy without needing a can of mystery soup. And it makes one of the best low carb side dishes ever—especially if you’re tired of just eating meat with a side of… more meat.

This is a real side dish. One you look forward to.

Make It a Meal (Or Just Eat the Whole Thing)

Here’s where it gets personal.

One night, I made this and figured I’d eat half, save the rest. I blinked, and the whole thing was gone. Zero regrets.

But if you’re more disciplined than me, you can serve it next to chicken, steak, pork chops—anything really. It’s one of those dinner broccoli recipes that quietly steals the spotlight. Everyone says they “don’t like broccoli” until they’re scraping the dish clean.

You can also spoon it over grilled chicken breast for something fancier. Or turn it into a full meal by mixing in shredded rotisserie chicken or leftover roast beef. Instant casserole.

What Makes This Different From Regular Mac?

That’s easy. No pasta.

Instead of carbs, you get fiber-rich broccoli, which means you stay full longer without the bloated after-feeling. You still get the creamy texture of broccoli cheese noodles, but without needing noodles at all.

That’s the trick—don’t try to replace the pasta. Just change the expectation. This isn’t pretending to be macaroni. It’s better.

Plus, it reheats like a dream. Try that with actual pasta. It usually ends up gluey or dry. Not this.

Swaps, Add-Ins, and Easy Keto Broccoli Mac & Cheese Tweaks

Want to make it your own? Go for it. Here’s a few real swaps that work:

  • Add bacon bits: because obviously

  • Swap cheddar for pepper jack: if you like heat

  • Add mushrooms: for earthy flavor

  • Use frozen broccoli: yes, really, just thaw and drain well

  • Add cooked ground beef or sausage: for a protein-packed main

People often turn this into a broccoli cheese casserole easy dinner by tossing in leftovers from the fridge. That’s what makes it feel like an old family recipe—one that keeps changing with whatever’s on hand.

One Dish, So Many Vibes

Depending on how you serve it, this dish can do a lot. Want a broccoli side dish that people actually ask for at the table? Here you go. Need a low carb side dish that’s not just salad? This is it.

Or maybe it’s cold outside and you want a cheesy bake that feels like a blanket. Done. It’s practically a broccoli mac and cheese soup without the spoon.

Even picky kids tend to eat this. If not? Add extra cheese and lie. Tell them it’s just mac and cheese with “green sprinkles.”

How to Store, Freeze, and Reheat

This dish holds up. Store leftovers in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven. Add a splash of cream before reheating if you want it super creamy again.

It also freezes fine. Just thaw in the fridge overnight before reheating. Perfect for make-ahead meal planning—or if you’re like me and love having a stash of best low carb recipes that don’t taste like cardboard.

Please Make Extra

Trust me. Just double it now. You’ll want leftovers. It’s one of those recipes where the second-day taste is somehow even better. The cheese settles, the flavors blend, and it basically becomes a better version of itself overnight.

Whether you’re cooking for family or just yourself, this is one of those solid, never-fail dishes. The kind that makes you feel like you’ve got your act together—even if you ate it straight out of the baking dish with a spoon. No shame.

So, What Did We Make?

Let’s not get too cute here. What we made is a no-nonsense, flavor-loaded broccoli cheese mac and cheese that actually respects your time and tastes like something worth craving.

It’s:

  • Fast

  • Cheap

  • Low carb

  • Cheesy

  • Meal prep friendly

  • Kid-resistant (and sometimes even kid-approved)

Whether you’re aiming for a cozy dinner or need a solid broccoli casserole for meal prep, this dish holds its own. It’s part cheddar and broccoli pasta, part easy broccoli casserole, and a full-on flavor win.

So next time someone rolls their eyes at broccoli, hand them a plate. And watch how fast it disappears.

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Keto Broccoli Mac & Cheese Recipe

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This keto broccoli mac and cheese is rich, creamy, and made with real cheese—no weird ingredients or fake noodles. It’s the perfect comfort food for anyone following a keto diet, low carb plan, or just trying to eat healthier without giving up flavor. Works great as a side dish, or turn it into a full dinner with some added protein.

  • Author: Jane Summerfield
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Total Time: 30 minutes
  • Yield: 4 servings 1x
  • Category: Dinner, Side Dish
  • Method: Baking
  • Cuisine: American, Keto, Low-Carb
  • Diet: Gluten Free

Ingredients

Scale
  • 1 large head of broccoli (or 2 small), chopped into small florets

  • Salted water (for boiling broccoli)

  • 2 cups shredded cheddar cheese (sharp preferred)

  • 4 oz cream cheese

  • 1/2 cup heavy cream

  • 1/2 tsp garlic powder

  • 1/2 tsp onion powder

  • Salt and pepper to taste

  • 1/2 cup shredded mozzarella (for topping, optional)

  • 2 tbsp almond flour or crushed pork rinds (for crunchy topping)

  • Butter (for greasing the dish)

Instructions

  1. Preheat oven to 375°F (190°C).

  2. Bring a pot of salted water to a boil. Add broccoli florets and cook for 2–3 minutes until just tender. Drain and set aside.

  3. In a saucepan over low heat, combine cream cheese, heavy cream, garlic powder, and onion powder. Stir until melted and smooth.

  4. Slowly add cheddar cheese, stirring until melted. Taste and season with salt and pepper.

  5. Grease a baking dish with butter. Add cooked broccoli and pour cheese sauce over the top. Mix gently to coat evenly.

  6. Sprinkle mozzarella and almond flour or pork rinds on top.

  7. Bake for 15–20 minutes, or until bubbly and golden brown on top.

  8. Let it rest a few minutes before serving.

Notes

  • You can use frozen broccoli—just thaw and drain well before using.

  • Add cooked chicken, bacon, or ground beef to make it a full meal.

  • Use pepper jack or gouda for a different flavor twist.

  • Great for meal prep—reheats well and keeps in the fridge for up to 4 days.

Please note: The recipe or ingredients shown in the video might vary slightly from what’s listed here. Use the video as an illustration, but for the best results, you might want to stick to the recipe provided in this article.

Nutrition

  • Serving Size: 1 serving
  • Calories: 380 Sugar: 2g Sodium: 520mg Fat: 32g Saturated Fat: 18g Unsaturated Fat: 11g Trans Fat: 0g Carbohydrates: 6g Fiber: 2g Protein: 14g Cholesterol: 90mg

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Frequently Asked Questions (FAQs)

Can I use frozen broccoli for keto mac and cheese?

Yes, frozen broccoli works great. Just thaw it completely and drain any extra water so the dish doesn’t turn out watery. It’s a good shortcut if you don’t have fresh broccoli on hand, and it still keeps this recipe low carb and cheesy.

What can I use instead of pasta in low carb mac and cheese?

Broccoli is one of the best swaps for pasta in a keto mac and cheese recipe. It holds up well, adds fiber, and pairs perfectly with cheese. You can also try cauliflower or zucchini, but broccoli gives a stronger bite and better texture for that classic mac and cheese feel.

Is broccoli mac and cheese good for meal prep?

Absolutely. This recipe reheats really well, whether you microwave it or warm it in the oven. It’s great for batch cooking, lunchboxes, or quick weeknight dinners. Store it in an airtight container in the fridge for up to 4 days.