Keto Herb Butter Salmon

Featured in: Evening Table Recipes

This dish features succulent salmon fillets brushed with a fragrant blend of softened butter, fresh parsley, dill, chives, garlic, and lemon zest. The salmon is baked until tender and flaky. Alongside, cauliflower florets are tossed with olive oil, sea salt, pepper, and optional smoked paprika before roasting to a golden finish. The combination offers a low-carb, satisfying meal with bright herb notes and a tender texture, perfect for an easy yet flavorful main course.

Updated on Wed, 11 Feb 2026 13:14:00 GMT
Juicy salmon fillets topped with herb butter and served with golden roasted cauliflower for a simple keto dinner. Save
Juicy salmon fillets topped with herb butter and served with golden roasted cauliflower for a simple keto dinner. | dailyhlib.com

There's something almost meditative about watching salmon turn from translucent to opaque under the oven's warmth, especially when you've crowned it with herb butter that smells like a Mediterranean garden. I stumbled onto this version on a Tuesday evening when I had four salmon fillets and absolutely no creative energy, so I grabbed whatever fresh herbs were lurking in my fridge and let them do the talking. The cauliflower became golden while the salmon stayed buttery and tender, and suddenly what felt like the easiest dinner became the meal everyone requested again and again.

My neighbor knocked on the door one evening just as I was plating this, drawn in by the smell of lemon and dill wafting across our shared wall. She ended up staying for dinner, and I remember her eyes lighting up when she bit into the salmon and felt that herb butter melt across her tongue. That's when I realized this wasn't just a weeknight meal—it was something that made people feel cared for.

Ingredients

  • Salmon fillets: Look for bright pink flesh with no gray spots, and don't skip the skin if you want crispy edges and extra omega-3s.
  • Unsalted butter: Softened butter is non-negotiable here because it needs to blend smoothly with the herbs, and room temperature is your friend.
  • Fresh parsley, dill, and chives: These three herbs are the reason this tastes restaurant-quality without pretension, so use fresh not dried if at all possible.
  • Garlic and lemon zest: The zest adds brightness without the acidity of juice, while garlic brings everything into focus.
  • Cauliflower florets: Cut them into roughly even sizes so they roast uniformly and get that golden, tender exterior.
  • Olive oil and smoked paprika: The oil helps them crisp while the paprika (optional but worth it) adds a whisper of smokiness.

Instructions

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Prep your oven and workspace:
Get your oven heating to 220°C and line your baking sheet with parchment so nothing sticks and cleanup feels like a blessing. This takes two minutes but changes everything.
Make the herb butter magic:
Combine softened butter with all those fresh herbs, garlic, and lemon zest in a bowl, stirring until it looks like green-speckled butter. This is your secret weapon and it's already done before anything hits the oven.
Season and roast the cauliflower:
Toss your florets with olive oil, salt, pepper, and smoked paprika if you're feeling it, then spread them across the baking sheet. Get them in the oven for about 25 minutes, turning them halfway through so they brown evenly on all sides.
Prepare the salmon:
Pat your fillets completely dry with paper towels—this is crucial because moisture prevents that beautiful caramelization. Place them skin-side down on parchment in a separate baking dish.
Crown each fillet:
Spread roughly a tablespoon of that herb butter across the top of each salmon piece, letting it settle into the flesh. The butter will melt as it cooks and keep everything tender.
Time it so everything finishes together:
When the cauliflower has about 12 minutes left, slide the salmon into the oven. Aim for 10 to 12 minutes until the salmon flakes easily with a fork and looks barely opaque in the thickest part.
Bring it all together:
Plate the salmon while it's still hot, scatter any remaining fresh herbs on top, add a lemon wedge, and heap that golden roasted cauliflower beside it. The whole plate should smell like a fancy dinner you definitely didn't make yourself.
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Herb butter salmon with roasted cauliflower, offering rich flavors and a low-carb, satisfying meal. Save
Herb butter salmon with roasted cauliflower, offering rich flavors and a low-carb, satisfying meal. | dailyhlib.com

There was a moment last spring when my teenager actually looked up from their phone during dinner because the salmon was that good—not because I was forcing conversation, but because they wanted another bite. That's the kind of quiet victory this dish delivers, turning a simple Wednesday into something worth remembering.

Timing It Right

The beauty of this meal is that everything can happen simultaneously if you think ahead just a little bit. Get your herb butter mixed while the oven preheats, get your cauliflower ready to go, and you've bought yourself the luxury of calm cooking instead of frantic scrambling. I've learned that five minutes of planning before you start makes the actual cooking feel like a breeze rather than a puzzle.

Why This Works for Keto

Salmon is naturally fatty and delicious on its own, which means it thrives on keto without needing any bread or heavy sauces to make it satisfying. The herb butter adds richness without carbs, and roasted cauliflower becomes almost sweet as it caramelizes, so you're not missing anything from the plate. This isn't a diet meal that feels like deprivation—it's just genuinely good food that happens to fit the lifestyle.

Small Tweaks That Make It Yours

Once you've made this once, you'll start seeing all the ways it can shift and change based on what you have or what you're craving. I've added everything from fresh tarragon to a tiny pinch of chili flakes, swapped basil for dill when parsley ran out, and even thrown in capers one night when I was feeling fancy. The structure stays solid but the flavor becomes whatever you need it to be on any given day.

  • If you love heat, stir a pinch of red pepper flakes or cayenne into the herb butter for a subtle kick that won't overpower the delicate salmon.
  • Leftover herb butter can be frozen in small dollops and used on roasted vegetables, grilled chicken, or stirred into egg dishes all week long.
  • Don't waste that lemon wedge—squeeze it generously over everything just before eating because brightness is what pulls all these flavors into focus.
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Tender salmon fillets baked with herb butter, paired with smoky roasted cauliflower for a healthy keto feast. Save
Tender salmon fillets baked with herb butter, paired with smoky roasted cauliflower for a healthy keto feast. | dailyhlib.com

This is the kind of dinner that makes you feel capable in the kitchen without requiring you to actually be complicated about it. It's simple enough to throw together on a Tuesday but elegant enough to serve when you want to feel proud of what's on your table.

Keto Herb Butter Salmon

Salmon glazed with herb butter paired with perfectly roasted cauliflower for a simple low-carb meal.

Prep time
15 minutes
Time to cook
25 minutes
Total duration
40 minutes
Created by Declan OBrien


Skill level Easy

Cuisine type International

Makes 4 Number of servings

Dietary info No gluten, Low carb

Needed ingredients

Salmon & Herb Butter

01 4 salmon fillets, 5 oz each, skin-on or skinless
02 1/4 cup unsalted butter, softened
03 1 tablespoon fresh parsley, finely chopped
04 1 tablespoon fresh dill, finely chopped
05 1 teaspoon fresh chives, finely chopped
06 1 garlic clove, minced
07 Zest of 1 lemon
08 1/2 teaspoon sea salt
09 1/4 teaspoon black pepper
10 Lemon wedges for serving

Roasted Cauliflower

01 1 medium head cauliflower, cut into florets
02 2 tablespoons olive oil
03 1/2 teaspoon sea salt
04 1/4 teaspoon black pepper
05 1/2 teaspoon smoked paprika, optional

How to make it

Step 01

Preheat oven: Set oven to 425°F and line a baking sheet with parchment paper.

Step 02

Prepare herb butter: In a small bowl, combine softened butter, parsley, dill, chives, minced garlic, lemon zest, salt, and black pepper. Mix until well blended and set aside.

Step 03

Season cauliflower: Place cauliflower florets on the prepared baking sheet. Drizzle with olive oil, sprinkle with salt, pepper, and smoked paprika if using. Toss to coat evenly and spread in a single layer.

Step 04

Roast cauliflower: Roast cauliflower in the oven for 25 minutes, flipping halfway through, until golden and tender.

Step 05

Prepare salmon: Pat salmon fillets dry with paper towels. Place them skin-side down in a separate baking dish lined with parchment paper.

Step 06

Apply herb butter: Spread approximately 1 tablespoon of the herb butter over the top of each salmon fillet.

Step 07

Bake salmon: During the last 12 minutes of cauliflower roasting, place the salmon in the oven. Bake for 10 to 12 minutes, or until salmon flakes easily with a fork.

Step 08

Plate and serve: Transfer salmon to serving plates, garnish with extra fresh herbs and lemon wedges, and serve alongside roasted cauliflower.

Tools you'll need

  • Baking sheet
  • Parchment paper
  • Small mixing bowl
  • Knife and cutting board
  • Baking dish
  • Spatula

Allergy details

Look into every ingredient for allergens and check with a doctor if you're unsure.
  • Contains fish (salmon) and dairy (butter)
  • Verify butter composition for lactose content if sensitivity exists

Nutrition details (per serving)

Nutrient details are for reference and aren't a substitute for doctor's advice.
  • Calories: 430
  • Total fat: 29 grams
  • Carbohydrates: 7 grams
  • Proteins: 35 grams