Parmesan crusted halibut with roasted asparagus is restaurant-quality dinner in under 30 minutes. The fillets bake under a buttery Parmesan, almond flour, and garlic topping that turns golden and bubbly under the broiler while the asparagus roasts alongside. It's a low-carb, high-protein plate that works just as well for a busy weeknight as for company.
Craving a restaurant-quality meal that’s secretly simple and incredibly fast? This Parmesan Crusted Halibut with Roasted Asparagus is your answer! In less than 30 minutes, you’ll have a flaky, flavorful fish and perfectly tender-crisp asparagus on the table. It’s the perfect low-carb, high-protein dish for a busy weeknight or a special occasion.
Ingredients
• 2 tablespoons / 30 ml olive oil
• ¼ cup / 57 g (2.01 oz) butter, softened
• Salt and freshly ground black pepper, to taste
• ¼ cup / 25 g (0.88 oz) grated Parmesan cheese
• 1 pound / 450 g (15.9 oz) asparagus, trimmed
• 2 tablespoons / 15 g (0.53 oz) almond flour
• 4 (6-ounce / 170 g / 6 oz) boneless halibut fillets
• 1 teaspoon / 3 g (0.11 oz) garlic powder
Instructions
1. Directions
2. Preheat your oven to 400°F (200°C) and line a large baking sheet with foil for easy cleanup. Toss the trimmed asparagus with olive oil, salt, and pepper, then spread it in a single layer on the prepared baking sheet.
3. In a small bowl, combine the softened butter, grated Parmesan, almond flour, garlic powder, and a pinch of salt and pepper. Mix until it forms a smooth, spreadable paste.
4. Pat the halibut fillets dry and place them alongside the asparagus. Evenly spread the Parmesan mixture over the top of each fillet. Bake for 10 to 12 minutes, then switch the oven to broil and cook for an additional 2 to 3 minutes until the topping is golden brown and bubbly.
Nutritional Information
• Nutrition Facts (per serving)
• Calories: 415
• Fats: 26g (0.92 oz)
• Protein: 42g
• Carbohydrates: 3g
Pro Tips
• Pat the halibut fillets completely dry with a paper towel before adding the topping. This helps the crust adhere better and prevents the fish from steaming.
• For the best flavor and texture, use a block of Parmesan cheese and grate it yourself. Pre-shredded cheese often contains anti-caking agents that can affect how it melts.
• Keep a close eye on the fillets when broiling. The topping can go from perfectly golden to burnt in a matter of seconds.
• Don’t overcrowd the pan. Ensure the asparagus and halibut are in a single layer to promote even roasting and browning.
FAQ
Q: How do I know when the halibut is fully cooked
A: The halibut is cooked through when it flakes easily with a fork and the flesh is opaque. The Parmesan topping should be golden brown and bubbly after broiling.
Q: Can I use a different type of fish for this recipe
A: Yes, this Parmesan crust works beautifully on other firm white fish. Cod, haddock, or mahi-mahi are excellent substitutes. You may need to adjust the cooking time based on the thickness of the fillet.
Q: Is there a substitute for almond flour
A: If you are not following a low-carb diet, you can substitute panko or regular breadcrumbs for the almond flour to achieve a crispy crust. For another low-carb option, crushed pork rinds can also be used.
Q: Can I make this recipe ahead of time
A: This dish is best served immediately for optimal texture. However, you can prepare the Parmesan butter mixture ahead of time and store it in the refrigerator for up to 2 days. Simply bring it to room temperature to soften before spreading it on the fish.
Pro Tips
- Grate the Parmesan from a block rather than using pre-shredded — anti-caking agents in bagged cheese keep the topping from melting into that golden crust.
- Bake at 400°F / 200°C for 10-12 minutes, then switch to broil for the final 2-3 minutes; watch closely, because the almond flour topping goes from golden to burnt fast.
- Keep the halibut and asparagus in a single layer with a little space between pieces — crowding the pan steams everything instead of roasting it.
- Mix the softened butter, Parmesan, almond flour, and garlic powder into a paste ahead of time and refrigerate it; then just spread and bake for a near-instant dinner.
- Halibut leftovers dry out quickly, so store them no more than 2 days and reheat gently at a low temperature or flake them cold over a salad.
Frequently Asked Questions
Can I prepare the Parmesan crusted halibut ahead of time?
The topping paste can be mixed and chilled a day ahead, but the fish is best baked fresh — spread the topping on just before it goes into the oven so the crust stays crisp.
Is this halibut recipe keto-friendly?
Yes — each serving has about 3g of carbohydrates, 42g of protein, and 26g of fat, with the crust built from Parmesan, almond flour, and butter instead of breadcrumbs.
What fish can I substitute for halibut?
Any firm, thick white fillet works with the same topping and bake time — just match the thickness so the fish and the crust finish together.
How do I know when the halibut is done?
It's ready after 10-12 minutes at 400°F / 200°C when the flesh flakes easily and turns opaque; the broiler step is only for browning the topping, not for cooking the fish through.
Recipe card below.
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Parmesan Crusted Halibut with Roasted Asparagus
Ingredients
Method
- Directions
- Preheat your oven to 400°F (200°C) and line a large baking sheet with foil for easy cleanup.
- Toss the trimmed asparagus with olive oil, salt, and pepper, then spread it in a single layer on the prepared baking sheet.
- In a small bowl, combine the softened butter, grated Parmesan, almond flour, garlic powder, and a pinch of salt and pepper.
- Mix until it forms a smooth, spreadable paste.
- Pat the halibut fillets dry and place them alongside the asparagus. Evenly spread the Parmesan mixture over the top of each fillet.
- Bake for 10 to 12 minutes, then switch the oven to broil and cook for an additional 2 to 3 minutes until the topping is golden brown and bubbly.
- Pat the halibut fillets completely dry with a paper towel before adding the topping. This helps the crust adhere better and prevents the fish from steaming.
- Keep a close eye on the fillets when broiling. The topping can go from perfectly golden to burnt in a matter of seconds.
- Don't overcrowd the pan. Ensure the asparagus and halibut are in a single layer to promote even roasting and browning.
