Lemon Herb Grilled Cod Packets are the ultimate solution for a quick, healthy, and mess-free dinner. This recipe combines flaky, mild cod with vibrant summer vegetables and a punchy citrus-herb dressing that infuses the fish with flavor as it steams on the grill. It is a fantastic choice for busy weeknights or relaxed weekend cookouts when you want something light yet satisfying.
The beauty of the foil packet method is that it locks in all the moisture, ensuring your fish stays tender and succulent every time. Plus, cleanup is as simple as tossing away the foil! Whether you are a seasoned griller or a beginner, this dish is virtually foolproof and guaranteed to impress your family and friends.
Recipe Information
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Total Time: 30 minutes
- Servings: 4
- Difficulty Level: Easy
Nutrition Information
- Calories per serving: 275 kcal
- Protein: 32g
- Carbohydrates: 8g
- Fat: 13g
- Fiber: 2g
- Sugar: 3g
- Sodium: 420mg
Why Make This Lemon Herb Grilled Cod Packets
Making dinner in a foil packet is one of the smartest cooking hacks for any home cook. These packets act like a mini-steamer, allowing the cod to cook in its own juices along with the olive oil and lemon. This results in a much more flavorful and moist fillet compared to cooking it directly on the grill grates where it might stick or dry out.
This recipe is also incredibly healthy and fits into various dietary lifestyles, including keto, Mediterranean, and gluten-free. By including zucchini and cherry tomatoes right in the packet, you get a complete, balanced meal with protein and vegetables all in one neat package. It’s a great way to enjoy the smoky essence of the grill without the heavy fats often associated with outdoor cooking.
How to Make Lemon Herb Grilled Cod Packets
Getting this meal on the table is a simple process that involves just a bit of chopping and folding. Follow these easy steps to create a restaurant-quality seafood dish right in your backyard.
Ingredients
- 4 cod fillets (6 oz each)
- 2 tbsp olive oil
- 2 lemons (1 sliced into rounds, 1 juiced)
- 2 tbsp fresh parsley, chopped
- 1 tbsp fresh dill, chopped
- 2 cloves garlic, minced
- Salt and pepper to taste
- 1 tsp paprika
- 1 medium zucchini, sliced into half-moons
- 1 cup cherry tomatoes, halved
Directions
Step 1: Preheat the Grill and Prepare Foil
Preheat your outdoor grill to medium-high heat, aiming for a temperature of approximately 400°F (204°C). While the grill warms up, cut four large squares of heavy-duty aluminum foil (about 12×12 inches each) and lay them out on your workspace.
Step 2: Whisk the Herb Marinade
In a small mixing bowl, combine the olive oil, freshly squeezed lemon juice, minced garlic, chopped parsley, dill, salt, pepper, and paprika. Whisk these ingredients together until the oil and lemon juice are well emulsified.
Step 3: Assemble the Packets
Place one cod fillet in the center of each piece of foil. Divide the sliced zucchini and halved cherry tomatoes evenly among the four packets, arranging them neatly around the sides of the fish fillets.
Step 4: Season and Seal
Drizzle the prepared lemon herb mixture evenly over each piece of cod and the surrounding vegetables. Top each fillet with one or two lemon slices for extra zest. Fold the sides of the foil over the contents and crimp the edges tightly to create a sealed packet, leaving a little room inside for steam to circulate.
Step 5: Grill to Perfection
Place the foil packets directly onto the grill grates. Close the lid and cook for 12 to 15 minutes. The fish is done when it becomes opaque and flakes easily with a fork. Carefully open the packets—watch out for the hot steam—and serve the fish and vegetables immediately.
How to Serve Lemon Herb Grilled Cod Packets
These packets are a complete meal on their own, but they also pair beautifully with a side of fluffy quinoa, brown rice, or roasted baby potatoes to soak up the delicious herb-butter juices. For a lighter option, serve them alongside a crisp green salad with a light vinaigrette. You can serve the food directly in the foil packets for a rustic feel, or carefully slide the contents onto a plate for a more formal presentation.
How to Store Lemon Herb Grilled Cod Packets
If you have leftovers, remove the fish and vegetables from the foil and store them in an airtight container in the refrigerator for up to 2 days. To reheat, place the fish in a microwave-safe dish with a splash of water and cover it loosely, heating on low power to prevent the cod from becoming rubbery. You can also reheat them in a covered skillet over low heat until warmed through.
Expert Tips for Perfect Lemon Herb Grilled Cod Packets
- Use Heavy-Duty Foil: Standard foil can tear easily on the grill. Using heavy-duty foil ensures your packets stay intact and keep all the juices inside.
- Check for Doneness: Use a meat thermometer to ensure the internal temperature of the cod reaches 145°F (63°C).
- Don’t Overstuff: Make sure you can seal the foil tightly. If you have too many vegetables, the packet might leak or take too long to cook.
- Pat the Fish Dry: Before placing the cod on the foil, pat it dry with paper towels. This helps the marinade stick better to the surface of the fish.
Delicious Variations
You can easily customize these packets based on what you have in your pantry. Swap the zucchini for asparagus spears or snap peas for a different crunch. If you prefer a bit of heat, add a pinch of red pepper flakes to the herb mixture. For a different flavor profile, try using lime juice and cilantro instead of lemon and dill for a Mexican-inspired twist. You can also swap the cod for other white fish like tilapia, halibut, or sea bass.

Frequently Asked Questions
Q: Can I use frozen cod fillets for this recipe?
Yes, you can use frozen fillets, but make sure to thaw them completely in the refrigerator and pat them dry before assembling the packets to avoid excess water diluting the sauce.
Q: What if I don’t have an outdoor grill?
You can easily make these in the oven! Simply place the foil packets on a baking sheet and bake at 400°F (204°C) for about 15-20 minutes.
Q: How do I prevent the fish from sticking to the foil?
While the olive oil in the marinade usually prevents sticking, you can lightly spray the center of the foil with non-stick cooking spray before adding the fish for extra insurance.
Q: Can I use dried herbs instead of fresh?
Fresh herbs provide the best flavor, but you can use dried. Use about one-third of the amount (1 teaspoon of dried for every tablespoon of fresh) as dried herbs are more concentrated.
Q: Is cod the best fish for foil packets?
Cod is excellent because it is thick enough to hold up to the heat without falling apart immediately, but any firm white fish will work well with this method.
Conclusion
Lemon Herb Grilled Cod Packets are a refreshing and simple way to enjoy seafood. With minimal prep and even less cleanup, this recipe allows you to spend more time enjoying your meal and less time at the kitchen sink. The combination of fresh herbs, bright lemon, and tender fish is a timeless favorite that will surely become a staple in your summer cooking rotation. Give it a try tonight for a light, healthy dinner that the whole family will love!

Lemon Herb Grilled Cod Packets
- Cook Time: 30 minutes
- Total Time: 30 minutes
- Diet: keto, Mediterranean, and gluten-free
Ingredients
- 4 cod fillets (6 oz each)
- 2 tbsp olive oil
- 2 lemons (1 sliced into rounds, 1 juiced)
- 2 tbsp fresh parsley, chopped
- 1 tbsp fresh dill, chopped
- 2 cloves garlic, minced
- Salt and pepper to taste
- 1 tsp paprika
- 1 medium zucchini, sliced into half-moons
- 1 cup cherry tomatoes, halved
Instructions
- Preheat your outdoor grill to medium-high heat, aiming for a temperature of approximately 400°F (204°C). While the grill warms up, cut four large squares of heavy-duty aluminum foil (about 12×12 inches each) and lay them out on your workspace.
- In a small mixing bowl, combine the olive oil, freshly squeezed lemon juice, minced garlic, chopped parsley, dill, salt, pepper, and paprika. Whisk these ingredients together until the oil and lemon juice are well emulsified.
- Place one cod fillet in the center of each piece of foil. Divide the sliced zucchini and halved cherry tomatoes evenly among the four packets, arranging them neatly around the sides of the fish fillets.
- Drizzle the prepared lemon herb mixture evenly over each piece of cod and the surrounding vegetables. Top each fillet with one or two lemon slices for extra zest. Fold the sides of the foil over the contents and crimp the edges tightly to create a sealed packet, leaving a little room inside for steam to circulate.
- Place the foil packets directly onto the grill grates. Close the lid and cook for 12 to 15 minutes. The fish is done when it becomes opaque and flakes easily with a fork. Carefully open the packets—watch out for the hot steam—and serve the fish and vegetables immediately.




