Broccoli Cauliflower Salad Recipe Keto: Crisp Roasted Veggies With Creamy Parmesan Dressing

This keto broccoli cauliflower salad delivers all the crunch and flavor of your favorite veggie salad without the carbs. The secret lies in roasting the vegetables until they're perfectly crisp, then tossing them with a rich, creamy parmesan dressing that keeps them lusciously moist.

I developed this recipe during a low-carb phase when I craved satisfying sides that didn't sacrifice texture or taste—it became an instant staple at our dinner table.

The beauty of this dish is its versatility while staying firmly keto-compliant. Roasted broccoli and cauliflower provide that satisfying crunch, while the parmesan dressing adds depth without any hidden carbs. We use olive oil for roasting (healthy fats!) and finish with toasted nuts for extra crunch and protein.

The dressing is where the magic happens—a blend of cream cheese, parmesan, and a touch of mustard that creates that signature creamy, tangy flavor without any sugar.

What you'll end up with is a salad that's crisp on the outside, creamy on the inside, and packed with flavor in every bite. The roasted vegetables maintain their vibrant color and satisfying texture, while the dressing coats them perfectly.

This isn't just a side dish—it's a meal on its own that satisfies cravings without breaking your macros.

Perfect for meal prep, this salad keeps well in the fridge for up to 4 days, making it ideal for busy weeks. Serve it alongside grilled meats, fish, or even as a standalone lunch.

The best part? Each serving contains less than 5g net carbs, so you can enjoy it guilt-free while staying in ketosis.

Ingredients for broccoli cauliflower salad recipe keto

Four cups of crisp veggies, creamy dressing, and zero carbs. Everything you need for a satisfying keto salad.

The broccoli and cauliflower are the stars here—look for bright green florets with no yellowing. Trader Joe's usually has pre-cut florets that save time, but whole heads last longer. Roasting at high heat (425°F) gives that perfect crisp-tender texture. I always grab organic when possible—less bitterness, better flavor. The key is cutting them evenly so they cook at the same rate. If you're short on time, frozen florets work too—just thaw and pat dry before roasting.

No cream cheese? Full-fat sour cream mixed with a pinch of cream of tartar works in a pinch. Want extra richness? Add 1 tbsp of melted butter to the dressing. The Parmesan needs to be real Parmigiano-Reggiano—pre-grated tastes like sawdust. For the nuts, pecans or almonds are great swaps, but walnuts give that perfect crunch. The mustard is non-negotiable—it cuts through the creaminess. If you don't have Dijon, yellow mustard at half the amount gets you close.

Roasted veggies stay crisp for 3 days in the fridge if stored separately from dressing. The dressing keeps for 5 days—just stir before using. For meal prep, store components separately and toss when ready to eat. The nuts and cheese can be toasted ahead and stored in airtight containers. This salad reheats beautifully—just warm the veggies in a dry pan for 2-3 minutes before tossing with dressing.

Step-by-step instructions for crisp roasted broccoli and cauliflower salad

Here's how to create a keto-friendly salad with perfectly crisp veggies and rich parmesan dressing.

Preheat your oven to 425°F and line two baking sheets with parchment paper. In a large bowl, combine the 4 cups fresh broccoli florets and 4 cups fresh cauliflower florets with the 0.25 cup extra-virgin olive oil, 1.5 tsp salt, 0.5 tsp black pepper, and 0.5 tsp garlic powder. Toss until every floret is evenly coated.

Spread the vegetables in a single layer on the prepared baking sheets, leaving space between them for even cooking. Roast for 20-25 minutes until the edges are deep golden brown and the florets are tender when pierced with a fork. The high heat creates that satisfying crispy texture that makes this salad special.

While the vegetables roast, place the 0.25 cup walnuts in a dry skillet over medium heat. Toast them for 3-4 minutes, stirring constantly, until they're golden brown and fragrant. Remove from heat immediately and let cool for 2 minutes before transferring to a cutting board. Roughly chop them with a knife - you want some texture but not fine crumbs.

Here's the thing - toasting enhances their natural nuttiness and gives them that perfect crunch contrast to the creamy dressing. Don't walk away while they toast; walnuts burn quickly and lose their flavor.

In a medium bowl, combine the 4 oz cream cheese, 0.5 cup parmesan cheese, 1 tbsp dijon mustard, 0.25 cup heavy whipping cream, and 1 tbsp lemon juice. Using a hand mixer or whisk, beat on medium speed for 1-2 minutes until completely smooth and creamy. The mixture should be thick but pourable - if it's too thick, add 1-2 teaspoons of water to reach your desired consistency.

Taste and adjust seasoning with additional salt or black pepper if needed. I like to add a pinch of the 0.25 tsp red pepper flakes here for subtle heat - but only if you're using them in the recipe. This dressing is the heart of your salad, so take your time getting it just right.

Transfer the roasted vegetables to a large serving bowl while they're still warm. Drizzle the creamy parmesan dressing over the top and gently toss everything together until evenly coated. Add the chopped toasted walnuts and 0.1 cup fresh parsley, tossing just until combined. The parsley adds freshness that cuts through the richness of the dressing.

Let the salad sit for 5 minutes before serving to allow the flavors to meld together. The contrast of crispy vegetables, creamy dressing, and crunchy walnuts makes this keto salad incredibly satisfying. Serve immediately while the vegetables are still warm and crisp.

Health benefits of this recipe

Low-Carb Powerhouse

This salad is a keto dream with just 5g net carbs per serving—perfect for keeping you in fat-burning mode. The combination of broccoli and cauliflower provides fiber-rich vegetables without the starchy bulk, while the healthy fats from olive oil, walnuts, and cream cheese keep you satisfied.

I've tested this with my macros tracker, and it never breaks ketosis. 💪

Rich in Healthy Fats

The extra-virgin olive oil and walnuts deliver omega-3 fatty acids, supporting brain health and reducing inflammation. The cream cheese and parmesan add saturated fats that your body can efficiently convert to energy. I always double-check the labels—I use full-fat dairy exclusively to maximize flavor and nutrition without hidden carbs.

Protein-Packed Side

While this isn't a protein-focused dish, the parmesan cheese and walnuts contribute 8g protein per serving. For extra protein, I sometimes add grilled chicken breast or crumbled bacon—both work beautifully without adding carbs. The Dijon mustard in the dressing adds a tangy kick that enhances flavor without calories.

Antioxidant Boost

Broccoli and cauliflower are packed with vitamin C, vitamin K, and antioxidants like sulforaphane, which supports detoxification. The lemon juice in the dressing adds a vitamin C boost while brightening the flavors.

I find this salad helps me meet my daily vitamin needs—especially when paired with a protein source like grilled salmon. 🌱

Digestive Benefits

The fiber content from the vegetables promotes healthy digestion, while the healthy fats help your body absorb fat-soluble vitamins like A, D, E, and K. I've noticed my digestion improves when I include this salad regularly—it's gentle on the stomach yet filling.

The roasting process actually enhances some nutrients compared to raw veggies.

Meal Prep Friendly

This salad stores beautifully for 4 days in the fridge, making it ideal for busy weeks. The vegetables retain their nutrients when stored separately from the dressing.

I prep this on Sundays and portion it into airtight containers for easy grab-and-go lunches. The walnuts and cheese can be toasted ahead, saving time during the week.

Frequently asked questions