Keto Buttery Pan Fried Salmon

⏲ ~18 min total · prep 14 · cook 4 · 4 servings

Dinner⏱ 19 min total🔥 0.5g net carbs⚡ ≈498 kcal/serving~1% of calories from carbs

By the KFI Test Kitchen · Tested & approved by Jason Lieu, KFI recipe editor

Published Sep 15, 2026 · Updated Sep 15, 2026

Keto Buttery Pan Fried Salmon

Ingredients

Instructions

  1. Season only the flesh side of each fillet with the salt and pepper; leave the skin unsalted so it can crisp against the pan.
  2. Heat the oil in a 12-inch cast-iron skillet over medium-high until it thins and shimmers, about 2 minutes.
  3. Lay the fillets skin-side down away from you, press each flat with a spatula for 10 seconds so the skin makes full contact, and cook undisturbed 4 minutes, until the skin is deep golden and the fillet releases cleanly when nudged.
  4. Flip the fillets, drop the heat to medium-low, and add the butter and sliced garlic to the skillet; tip the pan and spoon the foaming garlic butter over the fish continuously for 3 to 4 minutes, until the thickest part reads 130°F and flakes at a gentle press.
  5. Transfer to warm plates, pour the garlic butter from the pan over each fillet, and finish with the lemon juice and dill; serve with lemon wedges.

Why this recipe works

Tips for making this recipe well

Season flesh only

Salt on the skin draws moisture out and softens it before the pan heats. Season the flesh side, leave the skin bare, and let the crust speak for itself.

Ten minutes on the counter

Cold fillets tighten and curl in a hot pan, lifting the skin off the oil. Ten minutes at room temperature first, and the fillet cooks flat and even.

Press, then wait

Lay each fillet in away from you, press flat with a spatula for ten seconds, and then leave it alone. Four minutes undisturbed is what builds the golden crust.

Thin garlic slices

Slices turn sweet in the foaming butter over three to four minutes. Minced garlic burns in that span and takes the pan sauce with it.

Watch the thickest part

130°F at the thickest point, with a gentle flake under pressure, is the target this recipe is built around. Carryover heat keeps working on the plate, so pull it on time.

Serving suggestions

Zero point five net carbs tells you most of the story: the plate is fish and butter, with lemon and dill at the edges. Lift each fillet onto a warm plate skin-side up so the crust stays crisp, spoon the garlic butter over, and finish with the lemon juice and chopped dill. Wedges on the side for anyone who wants more acid. Steamed greens or a bitter salad sit well beside it. Eat it hot, because the skin waits for no one.

Storage and meal prep

Salmon is a tonight food, and the skin goes first. Refrigerate leftovers in a covered container for up to three days. Eat them cold, flaked over salad, or warm them gently in a covered pan with a spoonful of water; high heat turns reheated salmon dry and fills the kitchen with a reheated-fish smell. Cooked fillets freeze for two to three months if you must, though the texture comes back softer. Cook what you will eat.

Variations worth trying

Frequently asked questions

Do I need cast iron?

No, but use the heaviest pan you own. Cast iron and stainless hold their heat when the fish lands, which is what fries the skin instead of steaming it. Thin pans cool and the crust suffers.

Why is my salmon skin not crispy?

Moisture or movement, almost always. The skin went in wet, the fillet was cold from the fridge, or it was nudged before the crust set. Rest the fillets ten minutes, press them flat for ten seconds, and leave them alone for four minutes.

Is 130°F safe for salmon?

For quality fillets from a source you trust, 130°F is the temperature this recipe is built around, and it gives moist, flaky fish. The broader food-safety recommendation for seafood is 145°F, which you can take it to, though the texture turns drier. Choose by preference and source.

Can I cook it from frozen?

Thaw it first, in the fridge, and pat it very dry. A frozen fillet releases water as it cooks and the skin steams instead of crisping. Once thawed and dried, the method is identical.

What if I have no avocado oil?

Use another neutral, high-smoke-point oil such as light olive or grapeseed. Do not start in butter alone over medium-high heat; it burns before the skin sets. The three tablespoons of butter belong at the flip, where they foam.

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