Prepare to elevate your grilling game with these incredibly simple yet profoundly delicious grilled potato and onion foil packets. Whether you’re planning a rustic camping trip under the stars or seeking a hassle-free side dish for a busy weeknight, this recipe is your ticket to culinary success. With just a handful of ingredients – sliced potatoes, rich butter, savory Parmesan cheese, and sweet onions – you can create a dish that’s both deeply satisfying and unbelievably easy to prepare. Just mix everything together, seal it in foil, and let your grill transform humble ingredients into a creamy, tender, and perfectly seasoned masterpiece that will have everyone asking for more.
Creamy Parmesan Sliced Potatoes and Onions in Foil: The Ultimate Easy Side
This recipe for grilled onions and potatoes isn’t just about taste; it’s a game-changer for simplifying your cooking routine. Imagine a dish where all the preparation happens in a single large bowl, minimizing cleanup and maximizing flavor. Once combined, the mixture is neatly portioned onto foil sheets, ready to be cooked. These convenient packets can be grilled alongside your main course, allowing for simultaneous cooking and effortless meal coordination. Alternatively, prepare them in advance and keep them warm in the oven, freeing you up to focus on other aspects of your meal or to simply relax.
The beauty of this method extends to outdoor adventures as well. I’ve often prepared these delicious foil packets for camping trips. They are an absolute lifesaver because they can be fully assembled at home – sliced, seasoned, and sealed – and then effortlessly transported, ready to hit the campfire coals or portable grill. This makes them an ideal choice for outdoor enthusiasts seeking gourmet flavors with minimal effort in the wilderness.
For those who appreciate the straightforward cleanup that foil packet dinners offer, these grilled potatoes and onions pair magnificently with other grill-friendly options. Consider serving them alongside grilled salmon packets with a sweet mustard glaze for a harmonious seafood and potato combination. While these savory sides cook on the grill, a bright, fresh chickpea avocado salad can be easily prepped in the kitchen, completing what we consider our favorite summer meal. It’s a testament to how simple yet sophisticated your outdoor dining can be.
Crafting Your Perfect Parmesan Grilled Potatoes: A Step-by-Step Guide
Ready to create this incredible side dish? Follow these detailed steps to ensure your grilled potatoes and onions turn out perfectly creamy, tender, and bursting with flavor. The full recipe with precise ingredient amounts can be found in the recipe card below, but these step-by-step photos and expanded instructions will guide you through the process.
Step 1: Mix Potatoes, Onions, and All the Goodness
Begin by gathering all your delicious ingredients. In a large mixing bowl, combine the thinly sliced potatoes, sweet onions, finely minced garlic, generously cubed cold butter, a sprinkle of salt, a dash of freshly ground pepper, rich heavy cream, and a generous amount of freshly grated Parmesan cheese. Using a sturdy spoon or your clean hands, gently but thoroughly stir all the ingredients together. Ensure that every potato slice is separated and evenly coated with the creamy, cheesy seasoning. This critical step ensures that each bite will be infused with flavor and cook uniformly.
Step 2: Prepare Your Foil Packets with Care
Due to the delightful addition of Parmesan cheese, which can sometimes stick, it’s essential to properly grease your foil sheets. While a nonstick cooking spray works well, I find that rubbing a little cold butter directly onto both the top and bottom sheets of foil imparts an extra layer of flavor and ensures nothing adheres. Lay down a double layer of heavy-duty aluminum foil, approximately 15 inches long for each packet. This double layer provides extra strength and prevents punctures on the grill. Divide your potato mixture evenly between two separate packets. Creating two smaller packets rather than one large one makes them much easier to flip and rotate on the grill, ensuring even cooking. Spread the mixture slightly, leaving ample space around the perimeter for sealing.
Step 3: Seal and Grill to Perfection
To seal your packets, take another greased sheet of foil and place it directly on top of the potato and onion mixture, with the greased side facing down. Begin by tightly rolling or folding the longer sides of the two foil sheets together, creating a secure seam. Then, repeat this process with the shorter ends, ensuring all edges are sealed to form a sturdy, rectangular packet. This tight seal is crucial for steaming the potatoes and keeping all the flavorful juices locked inside.
Preheat your grill to a medium-high heat. Once hot, carefully place both foil packets directly on the grill grates. Cook for approximately 22-25 minutes. During this time, it’s important to rotate the packets every 5-6 minutes and flip them halfway through the cooking process. This consistent movement ensures that the potatoes cook evenly on all sides, absorb the creamy sauce, and develop a beautiful tender texture. Once cooked, remove the packets from the grill using long-handled tongs and transfer them to a baking sheet or plate. Carefully open the foil, being mindful of the hot steam, and pour the glorious grilled potatoes and onions into a serving bowl. Garnish with fresh parsley for a touch of color and extra freshness, then serve immediately and enjoy the fruits of your effortless grilling!
Choosing the Best Potatoes for Grilling
The type of potato you choose can significantly impact the final texture and flavor of your foil packet potatoes. For this recipe, I highly recommend using smaller red or Yukon Gold potatoes, rather than starchy Russets. Red and Yukon Gold varieties are known for their waxy texture, which allows them to hold their shape beautifully even when thinly sliced and grilled. They won’t break down or turn mushy, ensuring each bite offers a pleasant, firm yet tender consistency. Moreover, when cooked in the creamy Parmesan sauce, Yukon Golds, in particular, contribute an inherent creamy texture that perfectly complements the rich flavors of the dish. Their delicate skin also means no peeling is required, saving you precious prep time.
Expert Tips for Flawless Foil Packet Potatoes
- Even Cooking is Key: To achieve perfectly tender potatoes and ensure the creamy Parmesan sauce is distributed throughout, make sure to flip and rotate your onion potato packets every 5-6 minutes. This consistent movement helps to evenly cook the potatoes on all sides and prevents any sticking or uneven browning.
- Embrace the Make-Ahead Advantage: These foil packet potatoes are a fantastic make-ahead side dish. You can assemble the packets completely earlier in the day, then simply refrigerate them until you’re ready to grill. If you need to cook them even further in advance, prepare them as directed and keep the sealed foil packets warm in a low oven until it’s time to serve.
- Infuse with Fresh Herbs: For an extra layer of aromatic flavor, don’t hesitate to toss in a few sprigs of fresh herbs into your foil packets before sealing. Fresh rosemary, oregano, or thyme work exceptionally well, imparting their fragrant oils directly into the potatoes as they cook, creating a truly gourmet experience.
- Double Up Your Foil: If you don’t have heavy-duty aluminum foil on hand, it’s crucial to use a double layer of standard foil for each packet. This provides added strength and significantly reduces the risk of the packets puncturing or tearing as you move them around the hot grill, preventing any delicious juices from escaping.
- Don’t Overcrowd the Grill: For optimal cooking, ensure there’s enough space between your foil packets on the grill. Overcrowding can lead to uneven cooking and might increase the cooking time.
- Check for Doneness: To test if your potatoes are ready, carefully open one packet (watch out for steam!) and pierce a potato slice with a fork. It should be tender and easily pierced. If not, reseal and continue grilling for a few more minutes.
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Did you make this recipe? I absolutely love hearing from you and seeing your culinary creations! Please leave a star rating and a comment below the recipe card to share your experience. Your feedback is invaluable, helping other home cooks discover and enjoy this delicious recipe. I always make sure to respond to every comment! -Melissa
Parmesan Grilled Potatoes and Onions (Foil Packets)
Melissa Erdelac
5 Servings
15 mins
24 mins
39 mins
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Ingredients
- 1 ½ pounds (680.39 g) red or gold small potatoes, cut into ¼” slices
- 1 sweet onion, sliced and quartered
- 3 garlic cloves, minced
- ½ teaspoon (0.5 teaspoon) salt
- ¼ teaspoon (0.25 teaspoon) pepper
- ¼ cup (59.5 g) heavy cream
- ¼ cup (25 g) freshly grated Parmesan
- 3 tablespoons (3 tablespoons) cold butter, diced
- optional fresh parsley, for serving
Instructions
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In a large bowl, combine all ingredients: sliced red or gold small potatoes, sweet onion, minced garlic cloves, salt, pepper, heavy cream, freshly grated Parmesan, and diced cold butter. Stir thoroughly to combine, ensuring all potato slices are separated and evenly coated with the rich mixture.
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Lay down two double layers of aluminum foil, each approximately 15 inches long. Lightly grease the top piece of each double layer with cooking spray or butter. Evenly divide the potato mixture between the two greased foil sheets. Spread the mixture out slightly, leaving an empty perimeter around the edges for easy sealing. Take two more foil pieces, spray or butter one side, and lay the greased side down on top of each potato mound. First, tightly roll or fold the longer sides of the foil together to seal, then fold in the shorter ends, creating two securely sealed rectangular foil packets.
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Preheat your grill to medium-high heat. Carefully place both foil packets directly onto the grill grates. Cook for approximately 22-24 minutes. Throughout the cooking process, use long-handled tongs to rotate and flip the packets every 5-6 minutes. This ensures the potatoes cook evenly on all sides and become tender, with the creamy sauce distributed throughout.
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Once cooked, remove the packets from the grill and transfer them to a baking sheet or plate. When you’re ready to serve, carefully open the foil (watch out for escaping steam!), pour the perfectly grilled potatoes and onions into a serving bowl, and garnish with fresh parsley for a vibrant finish. Serve hot and enjoy!
Carbohydrates: 24g,
Protein: 5g,
Fat: 12g,
Saturated Fat: 7g,
Cholesterol: 37mg,
Sodium: 402mg,
Potassium: 667mg,
Fiber: 2g,
Sugar: 2g,
Vitamin A: 425IU,
Vitamin C: 13.9mg,
Calcium: 91mg,
Iron: 1.1mg
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