Hawaiian Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. 
Serving Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Mahi Mahi Macadamia Nut
Flaky Hawaiian mahi mahi baked beneath a golden crust of crushed macadamia nuts and butter — elegant enough for guests, easy enough for a weeknight dinner.
Contains common allergens
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Good to know
- Ready in under 30 minutes
Matched from this dish's own ingredients and timing. Browse more: 30-minute meals
Instructions
8 steps- 1
Preheat the oven to 400F and line a baking sheet with parchment or foil.
- 2
Pat the mahi mahi fillets dry and season both sides with salt and pepper.
- 3
In a small bowl, whisk together the Dijon mustard and honey, then brush this mixture evenly over the top of each fillet.
- 4
In another bowl, combine the chopped macadamia nuts, panko, and melted butter, tossing until the crumbs are evenly moistened.
- 5
Press the macadamia mixture firmly onto the mustard-coated top of each fillet, forming an even crust.
- 6
Bake for 12 to 15 minutes, depending on fillet thickness, until the fish flakes easily with a fork and the crust is golden.
- 7
If the crust needs more color, run the fillets under the broiler for the last 1 to 2 minutes, watching closely so the nuts do not burn.
- 8
Serve hot with lemon wedges to brighten the rich, buttery crust.
Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Listahan Family Score™
64/100
Works for many families
Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.
Nutrition
per serving245
Calories
9 g
Protein
16 g
Carbs
18 g
Fat
Estimated per serving. Actual values depend on the brands and portions you use.
Listahan cooking guide
Chef notes & practical guide
Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.
Cultural context
Mahi Mahi with Macadamia Nut Crust is one of the most iconic dishes of Hawaii Regional Cuisine, the chef-led culinary movement founded in 1991 by twelve Hawaii chefs including Roy Yamaguchi and Alan Wong. The movement deliberately combined locally caught Pacific fish with Hawaii-grown macadamia nuts and tropical fruits to create a distinctive island fine-dining identity. Macadamia trees were introduced to Hawaii from Australia in the 1880s and became one of the state's major agricultural exports, making them a natural pairing with the islands' prized mahi mahi.
Listahan note
This version focuses on keeping the fish moist underneath the nut crust by using a quick pan-sear followed by a short oven finish, which sets the crust without drying out the fish.
Technique cues
- Press the macadamia nut crust firmly onto only the top (presentation side) of the fish — coating all sides makes it harder to get good contact with the pan during searing.
- Start the fish crust-side up in a very hot oven-safe pan, sear the bottom 2 minutes until golden, then flip crust-side down briefly before finishing in a 400F oven for 5-7 minutes.
- Mahi mahi dries out quickly if overcooked — the fish is done when the thickest part just turns opaque and flakes with gentle pressure; internal temperature should reach 137F.
Kitchen flow
- Parallel prep
- Mix the nut crust and prepare any sauces or sides while the fillets come to room temperature; the active cooking time is under 15 minutes.
- Make-ahead
- Crust the fillets and refrigerate uncovered for up to 1 hour before cooking — this helps the crust set and adhere better.
- Leftover move
- Cold leftover mahi mahi mahi with macadamia crust can be flaked and tossed in a tropical salad with mango, papaya, and lime vinaigrette.
- Cleanup rhythm
- One oven-safe skillet handles sear and oven finish; line the pan if possible or deglaze while warm to remove caramelized nut bits easily.
Ingredient brief
Role, handling, and swap guidance for each key ingredient.
mahi mahi fillets
main protein
Purpose: Mahi mahi's firm, lean flesh holds up to a nut crust and oven finish without falling apart, and its mild sweetness pairs naturally with rich macadamia.
Handling: Pat fillets completely dry and season with salt and pepper before applying the crust.
Adaptation: Halibut or swordfish has similar firm texture; tilapia works but cooks faster and is more delicate.
macadamia nuts
crust
Purpose: Macadamia nuts provide a buttery, rich crunch that contrasts with the lean fish and adds the signature Hawaii ingredient that makes this dish distinctive.
Handling: Pulse in a food processor to a coarse crumb — not too fine or the crust will be pasty, not too chunky or it won't adhere.
Adaptation: Crushed cashews are the closest substitute in flavor; panko alone produces a lighter but still excellent crust.
panko breadcrumbs
crust binder
Purpose: Mixed with the macadamia nuts, panko lightens the crust and helps it adhere to the fish without becoming dense.
Handling: Combine with the macadamia crumbs in equal parts for the best crunch-to-richness ratio.
Adaptation: Gluten-free breadcrumbs or crushed rice crackers for a wheat-free version.
Dijon mustard
adhesive
Purpose: A thin coating of mustard on the fish acts as the glue that holds the nut crust in place during cooking.
Handling: Spread a thin even layer on the top of the fillet with the back of a spoon before pressing on the crust.
Adaptation: Mayonnaise works as a richer substitute and keeps the fish even more moist during cooking.
butter
richness and flavor
Purpose: A small amount of butter in the pan during searing adds golden color and a nutty richness that complements the macadamia flavor.
Handling: Add to the pan after the initial oil so the butter does not burn before the fish goes in.
Adaptation: Clarified butter (ghee) has a higher smoke point and works better over very high heat.
Technique notes
- Resting the finished fish for 3 minutes before plating is as important here as with steak — the juices redistribute and the crust firms up slightly as the fish relaxes.
- A tropical butter sauce made with passion fruit, lime juice, and a knob of cold butter is the classic Hawaii restaurant accompaniment and takes only 5 minutes to make.
- If the crust browns faster than the fish cooks through, tent loosely with foil during the oven stage to prevent burning while the interior finishes.
Ingredient swaps
- Gluten-free direction
- Replace panko with gluten-free breadcrumbs or ground rice crackers; all other ingredients are naturally gluten-free.
- Nut-free direction
- Use panko alone with toasted coconut for a nut-free crust that still has tropical character.
- Dairy-free option
- Replace butter with a neutral high-heat oil and use oil-based cooking spray to achieve similar browning.
Serve alongside
- coconut rice
- grilled pineapple
- steamed asparagus
- tropical fruit salsa
- cold Sauvignon Blanc
- pineapple-ginger mocktail
- Kona Brewing Big Wave golden ale
Serving suggestions only — check pairings for your household's allergens.
Storage & reheating
- Best eaten immediately; the macadamia crust softens quickly. Leftovers can be refrigerated for 1 day but reheat best in a 375F oven for 5-6 minutes rather than microwaving. Do not freeze, as the crust becomes soggy on thawing.
Equipment
- oven-safe skillet (cast iron or stainless steel)
- food processor for the nut crumbs
- fish spatula
- instant-read thermometer
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