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Keto Dinner

Garlic Parmesan Orange Roughy

This garlic Parmesan orange roughy is one of those effortless weeknight meals that feels special enough for guests. I love how the broiler gives the cheesy topping a gorgeous golden crust while keeping the fish tender and flaky. It’s ready in under 30 minutes and packs just the right punch of savory flavor.

10 min Prep time 10 min Cook time 20 min Total time 4 Servings 300 Calories
Garlic Parmesan Orange Roughy

Ingredients

  • (4 ounce) fillets orange roughy
  • /2 lemon
  • /2 cup grated Parmesan cheese
  • /4 cup butter, softened
  • /4 cup prepared Dijon mustard mayonnaise blend
  • large clove garlic, pressed
  • /4 pinch salt
  • paprika

Instructions

  1. Step 1

    Start by preheating your broiler and placing the rack about 6 inches from the heat. Lay the orange roughy fillets on a broiler pan and give them a generous squeeze of fresh lemon. Broil for 6–8 minutes until the fish begins to turn opaque. Meanwhile, I mix together the Parmesan, softened butter, Dijon mustard mayo blend, pressed garlic, and a tiny pinch of salt in a small bowl. Once the fish is ready, pull it out and spread that creamy mixture evenly over each fillet. A light dusting of paprika adds color and a hint of warmth. Return the pan to the broiler and let it cook for another 3 minutes or so, until the topping is bubbly and delicately browned. I always check for doneness by testing if the fish flakes easily with a fork. Serve immediately while the topping is still glistening. That’s it—a simple, satisfying keto dinner.

Chef's Tip

I like to mix a tablespoon of almond flour into the cheese mixture for an extra-crispy topping. Let the butter soften naturally—don’t melt it—so the spread holds together well. Grating your own Parmesan makes a big difference in creaminess.

Storage Tips

Store leftovers in an airtight container in the fridge for up to 2 days. Reheat gently in a toaster oven or skillet to keep the topping crisp, avoiding the microwave if possible.

Variation Tips

Swap the orange roughy for cod or tilapia if needed. For a spicy twist, mix a pinch of cayenne into the cheese topping. Serve with roasted asparagus or a fresh green salad.

Frequently Asked Questions