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Oven-Poached Flounder with Tomatoes and Lemon

Poached Flounder with Tomatoes and Lemon

1 Star2 Stars3 Stars4 Stars5 Stars (14 votes, average: 3.36 out of 5)
  • Author:
  • Prep Time: 5 mins
  • Cook Time: 12 mins
  • Total Time: 17 minutes
  • Yield: 4 servings 1x


This poached flounder with tomatoes and lemon is so easy and so low maintenance, I’m convinced it’s the perfect fish recipe for beginners.


  • 1 15-ounce can diced tomatoes (preferably ‘low sodium’ or ‘no salt added’)
  • 1 tablespoon lemon juice (about 1/2 lemon) + a few lemon slices
  • 3 garlic cloves, thinly sliced
  • 1 tablespoon chopped dill (basil, cilantro or parsley also work), plus more to garnish
  • 1/4 teaspoon fine sea salt + freshly ground black pepper, plus more to taste
  • 3/4 pound flounder fillets, cut into serving portions


  1. Preheat the oven to 450ºF.
  2. In an 8×8″ baking dish, stir together the tomatoes, lemon juice, garlic, dill, salt and pepper.
  3. Slide the fish into the sauce, sprinkle with extra salt and pepper, and top with the lemon slices. Bake just until the fish is opaque, 10-12 minutes. Garnish with extra herbs, if desired, and serve immediately.

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