Foil Packet White Fish with Oven-Roasted Tomatoes

Foil Packet White Fish with Oven-Roasted Tomatoes

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Foil packet cooking is a culinary gem that brings convenience, flavor, and healthfulness together in one simple technique. Whether you’re seeking a hassle-free meal on a hot summer day or a cozy, flavorful dish during colder months, foil packet cooking offers versatility and deliciousness in equal measure.

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In this recipe, we explore the art of creating foil packets filled with succulent white fish, paired with the vibrant sweetness of oven-roasted tomatoes. This combination not only delights the taste buds but also showcases the beauty of using fresh, seasonal ingredients in a fuss-free manner.

Join me as we dive into the ease of foil packet cooking, discover the nuances of selecting the perfect white fish, and explore variations and serving suggestions to elevate your dining experience. Let’s embark on a culinary journey that promises simplicity, flavor, and a touch of gourmet elegance with every bite.

Foil Packet White Fish with Oven-Roasted Tomatoes

Benefits of Foil Packet Cooking

Foil packet cooking offers several advantages beyond convenience. Firstly, it’s a healthy cooking method as it requires minimal added fats or oils, relying instead on the natural juices and flavors of the ingredients. Secondly, it’s a versatile technique that allows for endless customization, making it suitable for various dietary preferences and restrictions.

Additionally, cooking in foil packets helps to retain moisture, ensuring that the fish remains tender and flavorful. Finally, it’s an eco-friendly approach since it reduces the need for extra cookware and simplifies cleanup.

Foil Packet White Fish with Oven-Roasted Tomatoes

Choosing the Right White Fish

While this recipe specifically mentions white fish fillets like halibut, cod, or grouper, it’s essential to choose fish that is fresh, sustainably sourced, and appropriate for your taste preferences. Look for firm, flaky white fish with a mild flavor that complements the other ingredients. If you’re unsure, consult with your local fishmonger or seafood market for recommendations based on availability and seasonality.

Variations and Serving Suggestions

Once you’ve mastered the basic foil packet white fish with oven-roasted tomatoes recipe, consider experimenting with different flavor profiles and ingredient combinations. For example, you can add thinly sliced vegetables like zucchini, bell peppers, or mushrooms to the packets for extra nutrients and texture. Alternatively, try using different herbs and spices to customize the seasoning to your liking. Serve the foil packets with sides such as quinoa, couscous, or a fresh green salad for a complete and satisfying meal.

Note: You can use fresh or preserved lemons to make this recipe. Preserved lemons are recommended because they add a lot more flavor. You can either buy a container of preserved lemons or make your own. A word of caution, however, if you use preserved lemons, don’t add additional salt to the fillets without tasting.

Foil Packet White Fish with Oven-Roasted Tomatoes

Oven-roasted Tomatoes for Your Foil Packet White Fish

This recipe calls for oven-roasted tomatoes. Oven drying is a great way to use up excess tomatoes from your garden or the farmers’ market. In addition, the process of drying them concentrates their flavor by removing excess moisture. The result is a really sweet, delicious burst of flavor in each bite. 

Oven-Roasted Tomato Directions: (Use however many excess tomatoes you have available).

  1. Place top oven rack in the center position and pre-heat oven to 200°F. Line a large, rimmed baking sheet with parchment paper or a Silpat baking mat™ and set aside.
  2. Slice tomatoes into 2” thick slices and place on the prepared baking sheet. Drizzle some extra virgin olive oil over the slices and sprinkle with salt and black pepper, to taste. Top with fresh thyme leaves, if desired, and place in the pre-heated oven for approximately 2 hours or until the tomatoes are nicely browned around the edges.
  3. Remove from oven and use immediately or store in an airtight container covered with olive oil. Store unused tomatoes in the refrigerator for 1-2 weeks.

Foil Packet White Fish with Oven-Roasted Tomatoes

Recipe by Easy Clean RecipesCourse: MainDifficulty: Easy


Prep time


Cooking time




  • 4 6-oz. white fish fillets

  • 4 oven-dried tomato slices (instructions above)

  • 4 fresh or preserved lemon slices, cut in half

  • 2 T. fresh thyme

  • 4 T. unsalted butter

  • Sea salt and black pepper, to taste


  • To prepare indoors, place top oven rack in the center position and pre-heat oven to 400°F. Tear off 4 sheets of aluminum foil into sections large enough to fold over fillets, with another couple of inches on each side to seal.
  • Place one fillet slightly off center on each sheet of foil. Top each fillet with an oven-dried tomato slice, two fresh or preserved halved lemon slices, as shown, one-half tablespoon fresh thyme leaves, and one tablespoon unsalted butter. If desired, lightly season with  salt and black pepper, to taste.
  • To seal packet, fold aluminum foil in half over the fillets. Fold the 3 open sides, one at a time, over several times to seal the packet completely. The goal is to seal the packet tight enough to hold in the steam, but still allow enough room for the air to expand.
  • Place the foil packets in the pre-heated oven for 10 minutes, or place on hot grill over medium, direct heat for 8-10 minutes.
  • Remove from oven (or grill) and cool slightly before carefully opening the foil packets. (Use caution, escaping steam will be very hot). Discard the lemon slices and serve immediately with your choice of sides. Enjoy!

Serve this with Roasted Rosemary Garlic Potatoes or try another foil packet fish recipe with spicy peach salsa.

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