I used to think cauliflower parmesan was just a sad, soggy stand-in for eggplant. Then I figured out the texture game—roast hot, flip carefully, and broil fast—and now I’m low-key obsessed. No breading, no frying, no regrets. Just golden roasted cauliflower, saucy marinara, bubbly cheese, and a parmesan crust that actually crunches.
Yes, it’s still keto. No, it doesn’t feel like you’re “missing” anything.
Why This One Works So Well (Low-Carb Edition)
Most cauliflower parm recipes go wrong in two places: either they try to fake breadcrumbs and end up mushy, or they skip the crispy layer and serve it limp. This one roasts the cauliflower first to build flavor and structure, then broils it under cheese like a boss. The parmesan forms a crisp crust without needing almond flour or pork rinds. It’s all about heat timing.
What I Used (And Why It Worked)
- Cauliflower (1 head, ~3 lbs) – Low in net carbs, high in fiber, and it caramelizes beautifully at high heat.
- Olive oil (3 tbsp) – Helps the cauliflower roast, not steam. Fat = flavor here.
- Italian seasoning + garlic powder – Brings that herby, garlicky base without any added sugars.
- Sea salt + black pepper – Season every layer, always.
- Grated parmesan (½ cup) – Not shredded. Grated melts down and crisps up like magic.
- Marinara sauce (1 cup, no sugar added) – Check labels—some “healthy” brands sneak in 5g+ sugar per serving.
- Shredded mozzarella (¾ cup) – Melty, gooey, and gets that golden top under the broiler.
- Fresh basil (¼ cup, sliced) – Optional, but adds that final Italian vibe and freshness.
Keto Swaps That Actually Work
- Mozzarella: You can sub with provolone or a part-skim blend, but go easy on anything pre-shredded—anti-caking agents can mess with meltability.
- Homemade marinara: Crushed tomatoes, garlic, olive oil, and dried herbs simmered down. Boom.
- Want to up the protein? Toss in some pre-cooked grilled chicken slices between the sauce and cheese before broiling.
What I Got Wrong
What Went Wrong | Why It Happens | How to Fix It |
---|---|---|
Cauliflower fell apart | Sliced too thin or flipped too early | Stick to 1-inch steaks and flip only once, gently |
Cheese burned on top | Broiled too long or too close to the element | Watch it like a hawk—1 to 2 minutes max |
Turned out watery | Used frozen cauliflower or didn’t roast enough | Always roast fresh at high heat to dry it out |
How I Make It (Step-by-Step)
- Preheat to 425°F / 220°C. Move racks to the middle and upper third.
- Slice cauliflower into 1-inch steaks. Save loose florets—they roast just fine.
- Mix olive oil + spices, then brush both sides of the steaks.
- Roast 20 minutes, then flip.
- Sprinkle parmesan, roast another 18–20 minutes until crispy-edged.
- Add marinara + mozzarella, broil for 1–3 minutes. Cheese should bubble and lightly brown.
- Top with basil, serve immediately. Feels indulgent. Isn’t.

Keto Cooking Tricks That Help
- I pre-mix the oil and seasoning in a small jar—shake and brush, no mess.
- Always place cauliflower flat side down if it breaks into florets—they get beautifully golden that way.
- For super even melting, I let the mozzarella sit at room temp while the cauliflower roasts.
How I Store and Track It
- Fridge: Keeps for up to 3 days. I layer it between parchment to avoid sogginess.
- Freezer: Hard pass. The texture after thawing turns to mush. Just don’t.
- Reheat: Oven at 375°F, covered loosely with foil for 10-15 minutes. Tastes almost as good as fresh.
- Tracking tip: I cut it into four equal servings—about 300 kcal, 15.3g total carbs, 4.6g fiber (so ~10.7g net carbs). Easy to log.
Real Keto Questions, Real Answers
Can I air fry this?
Sort of. You can roast the cauliflower in the air fryer at 400°F, but you’ll need to do it in batches. Finish under broil for that cheesy top.
Is the carb count really keto?
Yes—most of the 15g carbs are fiber or from marinara. Stick to no-sugar-added sauce and watch portion size.
What if I want more protein?
Add cooked chicken or ground turkey on top before broiling. Adds bulk without breaking your carbs.
Nutrition Facts
Serving Size: 1 serving
Nutrient | Amount | Notes |
---|---|---|
Calories | 300 kcal | Solid for a main or hearty side |
Total Fat | 21.9g | Cauliflower + olive oil + cheese = great fat balance |
Saturated Fat | 1.95g | Mainly from mozzarella; not overloaded |
Cholesterol | 6.75mg | Very low since there’s no meat or heavy dairy |
Sodium | 238mg | Will vary by your marinara and cheese brand |
Total Carbohydrate | 15.3g | Includes fiber and natural sugars from cauliflower |
Dietary Fiber | 4.6g | Helps offset total carbs—cauliflower is the MVP |
Net Carbs | 10.7g | (Total Carbs – Fiber = Net Carbs) |
Sugars | 5.3g | Mostly natural from cauliflower + marinara |
Protein | 12.9g | Thanks to cheese and cauliflower’s sneaky protein |
Check out More Recipes:

Low Carb Keto Cauliflower Parmesan
Description
Crispy roasted cauliflower steaks topped with marinara, melty mozzarella, and parmesan—keto-friendly, gluten-free, and shockingly satisfying without the carbs.
Ingredients
Instructions
- Preheat oven to 425°F (220°C), place racks center and upper.
- Slice cauliflower into 1″ thick steaks.
- Mix oil, seasoning, garlic, salt, and pepper. Brush onto cauliflower.
- Roast 20 minutes. Flip carefully.
- Sprinkle parmesan, roast 18–20 more minutes.
- Spread marinara, top with mozzarella. Broil 1–3 minutes.
- Garnish with basil and serve hot.
Notes
- I pre-mix the oil and seasoning in a small jar—shake and brush, no mess.
- Always place cauliflower flat side down if it breaks into florets—they get beautifully golden that way.
- For super even melting, I let the mozzarella sit at room temp while the cauliflower roasts.