Alaskan Halibut Caprese Dinner: A Fresh and Flavorful Recipe

by Oleg Nikitenko January 18, 2025

Alaskan Halibut Caprese: Broiled Halibut with Fresh Mozzarella, Tomato, and Basil

Halibut Caprese takes the classic Italian salad — fresh mozzarella, ripe tomatoes, basil, and balsamic — and uses it as a topping for broiled Alaskan halibut fillets. The result is a dish that looks impressive, tastes bright and fresh, and comes together in under 20 minutes. The mozzarella melts slightly over the hot fish, the tomatoes release their juices into the balsamic drizzle, and the basil adds a fragrant finish. It's one of the best quick preparations for halibut.

🔗 Pacific Halibut Fillet | 🔗 Halibut Cheeks | 🔗 Halibut Steaks

About Alaskan Halibut

Pacific halibut (Hippoglossus stenolepis) is the largest flatfish in the world — wild specimens can exceed 8 feet and 500 lbs, though commercial fish are typically 10–100 lbs. The flesh is firm, white, and mildly sweet with a clean flavor that takes well to almost any preparation. It's leaner than salmon and more substantial than sole or tilapia, making it one of the most versatile white fish available.

Alaskan halibut is managed by the International Pacific Halibut Commission (IPHC) under strict annual quota systems. The Pacific halibut fishery is one of the best-managed in the world and is MSC-certified. Mercury levels are low — halibut is on the FDA's "Best Choices" list for fish consumption, including for pregnant women and children (up to 2–3 servings per week).

Nutrition per 4 oz (113g) cooked halibut: ~158 calories | 30g protein | 3.3g fat | 0g carbs | omega-3: ~500–700mg EPA+DHA | selenium: ~67% DV | niacin (B3): ~50% DV

Alaskan Halibut Caprese Recipe

Serves: 4 | Prep: 10 min | Cook: 10 min | Total: 20 min

Ingredients

  • 4 Alaskan halibut fillets (5–6 oz each; 4 oz is on the small side for a main course)
  • 8 oz fresh mozzarella (buffalo mozzarella or fior di latte), sliced ¼ inch thick
  • 2 medium ripe tomatoes (heirloom or vine-ripened), sliced ¼ inch thick
  • Fresh basil leaves (about 20–24 leaves)
  • 3 tbsp high-quality balsamic vinegar (or balsamic glaze for a thicker drizzle)
  • 3 tbsp extra-virgin olive oil (divided)
  • Flaky sea salt and freshly cracked black pepper
  • Optional: 1 clove garlic, halved (for rubbing the baking sheet)

Instructions

Step 1: Prep

  1. If frozen, thaw halibut overnight in the refrigerator. Rinse under cold water; pat completely dry with paper towels. Dry fillets sear and brown better than wet ones.
  2. Position oven rack 6 inches from the broiler element. Preheat broiler on high for 5 minutes.
  3. Lightly oil a rimmed baking sheet with 1 tbsp olive oil (rub with the cut garlic clove first if using).

Step 2: Season and Broil

  1. Brush fillets on both sides with remaining olive oil. Season generously with flaky sea salt and cracked black pepper.
  2. Arrange fillets on the prepared baking sheet, skin-side down if skin-on.
  3. Broil for 5–6 minutes until the top is lightly golden and the fish is about 80% cooked through (the edges will be opaque; the center will still look slightly translucent).

Step 3: Add Caprese Toppings

  1. Remove from oven. Working quickly, top each fillet with: 2 slices of mozzarella, 2–3 slices of tomato, and 4–5 fresh basil leaves.
  2. Return to the broiler for 1–2 minutes until the mozzarella is just melted and beginning to bubble. Watch carefully — the difference between melted and burnt is 30 seconds under a broiler.

Step 4: Finish and Serve

  1. Remove from oven. Drizzle each fillet with balsamic vinegar (or balsamic glaze) and a final drizzle of olive oil.
  2. Garnish with additional fresh basil leaves.
  3. Serve immediately — halibut dries out quickly; don't let it sit.

Internal temperature: The FDA food safety standard for fish is 145°F. Many chefs pull halibut at 130–135°F for a moister, more tender result (the fish continues cooking off the heat). At 145°F, halibut is fully cooked but can be slightly dry — the mozzarella and tomato toppings help retain moisture. Use an instant-read thermometer for precision.

Tips for Perfect Halibut Caprese

  • Use ripe tomatoes: This dish lives or dies on tomato quality; use the ripest, most flavorful tomatoes you can find — heirloom varieties in summer are ideal
  • Buffalo mozzarella vs. fior di latte: Buffalo mozzarella (from water buffalo milk) is creamier and more flavorful; fior di latte (from cow's milk) is milder and melts more evenly — either works; avoid low-moisture shredded mozzarella, which doesn't have the right texture
  • Balsamic glaze vs. balsamic vinegar: Balsamic glaze (reduced balsamic) is thicker and sweeter; it clings to the fish better and looks more elegant. Regular balsamic vinegar is more acidic and brighter. Both work; use what you have.
  • Pat the fish completely dry: Surface moisture prevents browning; dry fillets develop a better crust under the broiler
  • Don't overcook: Halibut is a lean fish with very little fat to protect it from drying out; it goes from perfect to dry quickly

Wine Pairing

A crisp Sauvignon Blanc (Sancerre, New Zealand Marlborough) or Pinot Grigio (Alto Adige) pairs beautifully — the acidity cuts through the mozzarella and complements the balsamic. An unoaked Chardonnay (Chablis) also works well. For a rosé option: a dry Provençal rosé is excellent with the tomato-basil combination.

Shop Halibut

🎥 Watch halibut cooking tutorials on the Global Seafoods YouTube Channel

FAQs: Alaskan Halibut Caprese

How do I keep halibut from drying out?

Halibut is a very lean fish — it has almost no intramuscular fat to protect it from drying out during cooking. Three things help: (1) Don't overcook it — pull it at 130–135°F internal temperature (the fish continues cooking off the heat); (2) Use toppings — the mozzarella and tomatoes in this recipe act as a moisture barrier during the final broil; (3) Serve immediately — halibut dries out quickly once cooked; don't let it sit. Brining the fillets for 15–20 minutes in a 3% salt solution (1 tbsp salt per 2 cups water) before cooking also helps retain moisture.

Can I grill halibut for this recipe instead of broiling?

Yes — grilling adds a smoky char that pairs well with the Caprese toppings. Grill over medium-high heat for 3–4 minutes per side until the fish is about 80% cooked through. For the Caprese toppings: either add them directly to the grill (use a grill-safe pan or cast iron skillet) for 1–2 minutes to melt the mozzarella, or transfer the grilled fillets to a baking sheet and finish under the broiler with the toppings. The broiler finish is easier for managing the mozzarella melt.

What's the best way to tell if halibut is done without a thermometer?

The most reliable visual cue: insert a thin knife or cake tester into the thickest part of the fillet and hold it there for 3 seconds, then touch it to your lower lip. If it feels warm (not hot), the fish is at approximately 130–135°F — chef's medium. If it feels hot, it's at 145°F or above — fully cooked per FDA standards. Visual cues: the flesh should be opaque and just beginning to flake when pressed gently with a fork; it should still look slightly moist, not dry and chalky. If it flakes easily without any pressure, it's likely overcooked.

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