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Keto Dinner

Lenie's Herbal Fish

This herb-crusted cod bake is a staple in my keto kitchen. Layers of sautéed onions, peppers, and zucchini create a flavorful bed for tender fish fillets, all brightened with balsamic vinegar and fresh basil, chives, and cilantro. It’s an effortless dinner that feels like a special occasion.

15 min Prep time 25 min Cook time 40 min Total time 4 Servings 350 Calories
Lenie's Herbal Fish

Ingredients

  • tablespoons olive oil
  • onions, thinly sliced
  • red bell pepper, thinly sliced
  • /2 green bell pepper, sliced
  • shallots, thinly sliced
  • /2 zucchini, thinly sliced
  • /2 yellow squash, thinly sliced
  • large tomato, cubed
  • /2 (6 ounce) can black olives, halved
  • tablespoons balsamic vinegar
  • salt and pepper to taste
  • pounds cod fillets
  • /3 cup chopped fresh chives
  • /3 cup chopped fresh basil leaves
  • /3 cup chopped fresh cilantro

Instructions

  1. Step 1

    Preheat your oven to 350°F (175°C). In a large frying pan, heat olive oil over medium heat. Add the sliced onions, red bell pepper, green bell pepper, and shallots. Sauté for about 3 minutes, then stir in the zucchini, yellow squash, tomato, olives, and balsamic vinegar. Cook until the vegetables are just tender, seasoning with salt and pepper as they sauté. Lightly oil a 9x11-inch baking pan. Spread half of the vegetable mixture across the bottom. Sprinkle with half of the fresh herbs. Arrange the cod fillets on top. Cover with the remaining vegetables and the rest of the herbs. Cover the dish with foil and bake for 25 minutes, or until the fish flakes easily with a fork. I sometimes like to squeeze a little lemon over the top before serving.

Chef's Tip

For an extra flavor boost, I like to add a pinch of red pepper flakes to the vegetables while sautéing. It gives the dish a gentle warmth that complements the fresh herbs beautifully.

Storage Tips

Store leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in the oven or microwave, adding a splash of water or olive oil to keep the fish moist.

Variation Tips

Swap cod for salmon or trout for a richer flavor. Pair with cauliflower rice or zucchini noodles for a complete keto meal. Add a sprinkle of feta cheese before baking for a Mediterranean twist.

Frequently Asked Questions