This dish brings together crispy, smoky barramundi fillets with a rich brown butter sauce, creamy mashed potatoes and tender roasted broccoli. The smoked paprika rub gives the fish a beautiful color and depth, while the brown butter with scallions and lemon adds a nutty, bright finish.
Perfect for a weeknight dinner that feels special, this recipe is balanced and satisfying. The mashed potatoes are made extra creamy with sour cream and the roasted broccoli adds a nice crunch. It’s a complete meal that’s sure to impress.
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Recipe details
Nutrition per serving
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Values are calculated per serving from ingredient amounts and the ingredient nutrition reference per 100g. Allergen and diet labels use available ingredient metadata and name matching; always check product labels for strict diets or allergies. Some ingredient amounts or nutrition values were incomplete, so this is marked as a partial estimate.
Ingredients
Instructions
- Adjust racks to top and middle positions and preheat oven to 425°F. Wash and dry produce. Dice potatoes into ½-inch pieces. Trim and thinly slice scallions, separating whites from greens. Zest and quarter lemon.
- Place potatoes in a medium pot with stock concentrate and enough salted water to cover by 2 inches. Bring to a boil and cook until tender, 15-20 minutes. Reserve ½ cup potato cooking liquid, then drain and return potatoes to pot. Mash with sour cream and 1 TBSP butter (2 TBSP for 4 servings) until smooth, adding splashes of reserved potato cooking liquid as needed. Season generously with salt and pepper. Keep covered off heat until ready to serve.
- While potatoes cook, cut broccoli into bite-size pieces if necessary. Toss on a baking sheet with a drizzle of oil, salt and pepper. Roast on top rack until golden brown and crispy, 15-20 minutes.
- While broccoli roasts, pat barramundi dry with paper towels. Rub each fillet with a drizzle of oil. Season generously all over with salt and pepper, then rub paprika into flesh sides. Heat a large drizzle of oil in a large, preferably nonstick, pan over medium-high heat. Add barramundi, skin sides down; cook until skin is crispy, 3 minutes. Turn off heat. Transfer barramundi, skin sides down, to a second lightly oiled baking sheet. Roast on middle rack until cooked through, 10-12 minutes.
- Meanwhile, heat pan used for barramundi over medium heat. Add 2 TBSP butter (4 TBSP for 4 servings) and scallion whites. Cook, carefully swirling butter, until foamy and flecked with amber brown bits, 2-3 minutes. Turn off heat and add a big squeeze of lemon juice. Stir in lemon zest; season with salt and pepper.
- Divide mashed potatoes, barramundi and broccoli between plates. Top potatoes and barramundi with brown butter and sprinkle with scallion greens. (If brown butter is done before the rest of the meal, reheat over low heat, stirring, for 1 minute.) Serve with any remaining lemon wedges on the side.
Recipe Tips
For extra creamy mashed potatoes, use Greek yogurt instead of sour cream.
If the brown butter solidifies before serving, gently reheat it over low heat while stirring.
FAQ
Can I use a different fish instead of barramundi?
Yes, you can substitute barramundi with other firm white fish like cod, halibut or sea bass. Adjust cooking time as needed.
Can I make this recipe dairy-free?
You can use dairy-free butter and sour cream alternatives. The brown butter flavor will be slightly different but still delicious.
How do I store leftovers?
Store leftovers in an airtight container in the refrigerator for up to 2 days. Reheat gently in a pan or oven to maintain crispiness.


























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