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Keto Dinner

Italian Style Flounder

I love how simple yet elegant this Italian-style flounder is. Tender flounder fillets baked with fresh tomato, basil, and a touch of lemon make a perfect quick keto dinner. The delicate fish absorbs the herby, garlicky flavors beautifully, and it's ready in under an hour. This dish brings Italian flavors to your table without the carbs, and it’s sure to become a weeknight favorite.

15 min Prep time 30 min Cook time 45 min Total time 4 Servings 220 Calories
Italian Style Flounder

Ingredients

  • pounds flounder fillets
  • /2 tablespoon butter
  • salt and pepper to taste
  • tablespoon lemon juice
  • /2 cup diced fresh tomato
  • teaspoons dried basil
  • teaspoon garlic powder

Instructions

  1. Step 1

    First, I preheat my oven to 350°F. Then I place the flounder fillets in a medium baking dish, making sure they’re in a single layer. I dot the fish with tiny pieces of butter, then season with salt and pepper. A squeeze of fresh lemon juice brightens it up. Next, I scatter the diced tomato evenly over the top, followed by a sprinkle of dried basil and garlic powder. Cover the dish with foil or a lid—this traps steam and keeps the fish moist. Bake for about 30 minutes, or until the fish flakes easily with a fork. The aroma fills the kitchen with Italian herbs. If you want a bit more Italian flair, add a pinch of oregano too. Once done, let it rest a minute before serving. This pairs beautifully with steamed vegetables or a crisp green salad for a complete keto meal.

Chef's Tip

I always use room-temperature butter so it melts evenly over the fish. For extra richness, drizzle a little olive oil on top before baking—it keeps the flounder incredibly moist and adds healthy fats. This is my go-to trick for lean white fish.

Storage Tips

Store leftovers in an airtight container in the fridge for up to 2 days. Reheat gently in the oven at 300°F to prevent drying out, or enjoy cold on a salad.

Variation Tips

Try using cod or sole instead of flounder—it works just as well. For a change, sprinkle grated parmesan over the top during the last 5 minutes of baking for a golden, crispy crust. You can also experiment with fresh herbs like oregano or parsley.

Frequently Asked Questions